Merge remote-tracking branch 'linus/master' into merge

Conflicts: Documentation/hwmon/ina2xx arch/powerpc/Kconfig arch/powerpc/boot/dts/b4860emu.dts arch/powerpc/boot/dts/b4qds.dtsi arch/powerpc/boot/dts/fsl/b4si-post.dtsi arch/powerpc/boot/dts/fsl/qoriq-sec6.0-0.dtsi arch/powerpc/boot/dts/p1023rdb.dts arch/powerpc/boot/dts/t4240emu.dts arch/powerpc/boot/dts/t4240qds.dts arch/powerpc/configs/85xx/p1023_defconfig arch/powerpc/configs/corenet32_smp_defconfig arch/powerpc/configs/corenet64_smp_defconfig arch/powerpc/configs/mpc85xx_smp_defconfig arch/powerpc/include/asm/cputable.h arch/powerpc/include/asm/device.h arch/powerpc/include/asm/epapr_hcalls.h arch/powerpc/include/asm/kvm_host.h arch/powerpc/include/asm/mpic.h arch/powerpc/include/asm/pci.h arch/powerpc/include/asm/ppc-opcode.h arch/powerpc/include/asm/ppc_asm.h arch/powerpc/include/asm/reg_booke.h arch/powerpc/kernel/epapr_paravirt.c arch/powerpc/kernel/process.c arch/powerpc/kernel/prom.c arch/powerpc/kernel/setup-common.c arch/powerpc/kernel/setup_32.c arch/powerpc/kernel/setup_64.c arch/powerpc/kernel/smp.c arch/powerpc/kernel/swsusp_asm64.S arch/powerpc/kernel/swsusp_booke.S arch/powerpc/kvm/book3s_pr.c arch/powerpc/kvm/booke.c arch/powerpc/kvm/booke.h arch/powerpc/kvm/e500.c arch/powerpc/kvm/e500.h arch/powerpc/kvm/e500_emulate.c arch/powerpc/kvm/e500mc.c arch/powerpc/kvm/powerpc.c arch/powerpc/perf/e6500-pmu.c arch/powerpc/platforms/85xx/Kconfig arch/powerpc/platforms/85xx/Makefile arch/powerpc/platforms/85xx/b4_qds.c arch/powerpc/platforms/85xx/c293pcie.c arch/powerpc/platforms/85xx/corenet_ds.c arch/powerpc/platforms/85xx/corenet_ds.h arch/powerpc/platforms/85xx/p1023_rds.c arch/powerpc/platforms/85xx/p2041_rdb.c arch/powerpc/platforms/85xx/p3041_ds.c arch/powerpc/platforms/85xx/p4080_ds.c arch/powerpc/platforms/85xx/p5020_ds.c arch/powerpc/platforms/85xx/p5040_ds.c arch/powerpc/platforms/85xx/smp.c arch/powerpc/platforms/85xx/t4240_qds.c arch/powerpc/platforms/Kconfig arch/powerpc/sysdev/Makefile arch/powerpc/sysdev/fsl_mpic_timer_wakeup.c arch/powerpc/sysdev/fsl_msi.c arch/powerpc/sysdev/fsl_pci.c arch/powerpc/sysdev/fsl_pci.h arch/powerpc/sysdev/fsl_soc.h arch/powerpc/sysdev/mpic.c arch/powerpc/sysdev/mpic_timer.c drivers/Kconfig drivers/clk/Kconfig drivers/clk/clk-ppc-corenet.c drivers/cpufreq/Kconfig.powerpc drivers/cpufreq/Makefile drivers/cpufreq/ppc-corenet-cpufreq.c drivers/crypto/caam/Kconfig drivers/crypto/caam/Makefile drivers/crypto/caam/ctrl.c drivers/crypto/caam/desc_constr.h drivers/crypto/caam/intern.h drivers/crypto/caam/jr.c drivers/crypto/caam/regs.h drivers/dma/fsldma.c drivers/hwmon/ina2xx.c drivers/iommu/Kconfig drivers/iommu/fsl_pamu.c drivers/iommu/fsl_pamu.h drivers/iommu/fsl_pamu_domain.c drivers/iommu/fsl_pamu_domain.h drivers/misc/Makefile drivers/mmc/card/block.c drivers/mmc/core/core.c drivers/mmc/host/sdhci-esdhc.h drivers/mmc/host/sdhci-pltfm.c drivers/mtd/nand/fsl_ifc_nand.c drivers/net/ethernet/freescale/gianfar.c drivers/net/ethernet/freescale/gianfar.h drivers/net/ethernet/freescale/gianfar_ethtool.c drivers/net/phy/at803x.c drivers/net/phy/phy_device.c drivers/net/phy/vitesse.c drivers/pci/msi.c drivers/staging/Kconfig drivers/staging/Makefile drivers/uio/Kconfig drivers/uio/Makefile drivers/uio/uio.c drivers/usb/host/ehci-fsl.c drivers/vfio/Kconfig drivers/vfio/Makefile include/crypto/algapi.h include/linux/iommu.h include/linux/mmc/sdhci.h include/linux/msi.h include/linux/netdev_features.h include/linux/phy.h include/linux/skbuff.h include/net/ip.h include/uapi/linux/vfio.h net/core/ethtool.c net/ipv4/route.c net/ipv6/route.c
author: Scott Wood <scottwood@freescale.com> 2013-12-14 01:15:24 (GMT)
committer: Scott Wood <scottwood@freescale.com> 2013-12-14 01:15:24 (GMT)
commit: b7c81aa3ab2ac2c140e278b6d0e9a0b95112cf0b (patch)
tree: 87828aaf5f82c7042bfc0307bc4ac499e10f93fb /drivers/watchdog
parent: 22c782a4b14773fab7eab3c1db54ad7ad077e9b8 (diff)
parent: 78fd82238d0e5716578c326404184a27ba67fd6e (diff)
download: linux-fsl-qoriq-b7c81aa3ab2ac2c140e278b6d0e9a0b95112cf0b.tar.xz
106 files changed, 2429 insertions, 1261 deletions
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index f50d391..9a9de54 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -221,15 +221,6 @@ config DW_WATCHDOG
 	  To compile this driver as a module, choose M here: the
 	  module will be called dw_wdt.
 
-config MPCORE_WATCHDOG
-	tristate "MPcore watchdog"
-	depends on HAVE_ARM_TWD
-	help
-	  Watchdog timer embedded into the MPcore system.
-
-	  To compile this driver as a module, choose M here: the
-	  module will be called mpcore_wdt.
-
 config EP93XX_WATCHDOG
 	tristate "EP93xx Watchdog"
 	depends on ARCH_EP93XX
@@ -291,7 +282,7 @@ config DAVINCI_WATCHDOG
 
 config ORION_WATCHDOG
 	tristate "Orion watchdog"
-	depends on ARCH_ORION5X || ARCH_KIRKWOOD
+	depends on ARCH_ORION5X || ARCH_KIRKWOOD || ARCH_DOVE
 	select WATCHDOG_CORE
 	help
 	  Say Y here if to include support for the watchdog timer
@@ -299,6 +290,16 @@ config ORION_WATCHDOG
 	  To compile this driver as a module, choose M here: the
 	  module will be called orion_wdt.
 
+config SUNXI_WATCHDOG
+	tristate "Allwinner SoCs watchdog support"
+	depends on ARCH_SUNXI
+	select WATCHDOG_CORE
+	help
+	  Say Y here to include support for the watchdog timer
+	  in Allwinner SoCs.
+	  To compile this driver as a module, choose M here: the
+	  module will be called sunxi_wdt.
+
 config COH901327_WATCHDOG
 	bool "ST-Ericsson COH 901 327 watchdog"
 	depends on ARCH_U300
@@ -391,6 +392,25 @@ config RETU_WATCHDOG
 	  To compile this driver as a module, choose M here: the
 	  module will be called retu_wdt.
 
+config MOXART_WDT
+	tristate "MOXART watchdog"
+	depends on ARCH_MOXART
+	help
+	  Say Y here to include Watchdog timer support for the watchdog
+	  existing on the MOXA ART SoC series platforms.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called moxart_wdt.
+
+config SIRFSOC_WATCHDOG
+	tristate "SiRFSOC watchdog"
+	depends on ARCH_SIRF
+	select WATCHDOG_CORE
+	default y
+	help
+	  Support for CSR SiRFprimaII and SiRFatlasVI watchdog. When
+	  the watchdog triggers the system will be reset.
+
 # AVR32 Architecture
 
 config AT32AP700X_WDT
@@ -417,8 +437,6 @@ config BFIN_WDT
 
 # FRV Architecture
 
-# H8300 Architecture
-
 # X86 (i386 + ia64 + x86_64) Architecture
 
 config ACQUIRE_WDT
@@ -687,6 +705,17 @@ config HP_WATCHDOG
 	  To compile this driver as a module, choose M here: the module will be
 	  called hpwdt.
 
+config KEMPLD_WDT
+	tristate "Kontron COM Watchdog Timer"
+	depends on MFD_KEMPLD
+	select WATCHDOG_CORE
+	help
+	  Support for the PLD watchdog on some Kontron ETX and COMexpress
+	  (ETXexpress) modules
+
+	  This driver can also be built as a module. If so, the module will be
+	  called kempld_wdt.
+
 config HPWDT_NMI_DECODING
 	bool "NMI decoding support for the HP ProLiant iLO2+ Hardware Watchdog Timer"
 	depends on HP_WATCHDOG
@@ -856,6 +885,7 @@ config VIA_WDT
 config W83627HF_WDT
 	tristate "W83627HF/W83627DHG Watchdog Timer"
 	depends on X86
+	select WATCHDOG_CORE
 	---help---
 	  This is the driver for the hardware watchdog on the W83627HF chipset
 	  as used in Advantech PC-9578 and Tyan S2721-533 motherboards
@@ -1072,7 +1102,7 @@ config TXX9_WDT
 
 config OCTEON_WDT
 	tristate "Cavium OCTEON SOC family Watchdog Timer"
-	depends on CPU_CAVIUM_OCTEON
+	depends on CAVIUM_OCTEON_SOC
 	default y
 	select EXPORT_UASM if OCTEON_WDT = m
 	help
@@ -1098,12 +1128,30 @@ config BCM63XX_WDT
 	  To compile this driver as a loadable module, choose M here.
 	  The module will be called bcm63xx_wdt.
 
+config BCM2835_WDT
+	tristate "Broadcom BCM2835 hardware watchdog"
+	depends on ARCH_BCM2835
+	select WATCHDOG_CORE
+	help
+	  Watchdog driver for the built in watchdog hardware in Broadcom
+	  BCM2835 SoC.
+
+	  To compile this driver as a loadable module, choose M here.
+	  The module will be called bcm2835_wdt.
+
 config LANTIQ_WDT
 	tristate "Lantiq SoC watchdog"
 	depends on LANTIQ
 	help
 	  Hardware driver for the Lantiq SoC Watchdog Timer.
 
+config RALINK_WDT
+	tristate "Ralink SoC watchdog"
+	select WATCHDOG_CORE
+	depends on RALINK
+	help
+	  Hardware driver for the Ralink SoC Watchdog Timer.
+
 # PARISC Architecture
 
 # POWERPC Architecture
@@ -1172,6 +1220,18 @@ config BOOKE_WDT_DEFAULT_TIMEOUT
 
 	  The value can be overridden by the wdt_period command-line parameter.
 
+config MEN_A21_WDT
+       tristate "MEN A21 VME CPU Carrier Board Watchdog Timer"
+       select WATCHDOG_CORE
+       depends on GPIOLIB
+       help
+        Watchdog driver for MEN A21 VMEbus CPU Carrier Boards.
+
+	The driver can also be built as a module. If so, the module will be
+	called mena21_wdt.
+
+	If unsure select N here.
+
 # PPC64 Architecture
 
 config WATCHDOG_RTAS
diff --git a/drivers/watchdog/Makefile b/drivers/watchdog/Makefile
index a300b94..91bd95a 100644
--- a/drivers/watchdog/Makefile
+++ b/drivers/watchdog/Makefile
@@ -41,12 +41,12 @@ obj-$(CONFIG_KS8695_WATCHDOG) += ks8695_wdt.o
 obj-$(CONFIG_S3C2410_WATCHDOG) += s3c2410_wdt.o
 obj-$(CONFIG_SA1100_WATCHDOG) += sa1100_wdt.o
 obj-$(CONFIG_DW_WATCHDOG) += dw_wdt.o
-obj-$(CONFIG_MPCORE_WATCHDOG) += mpcore_wdt.o
 obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
 obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o
 obj-$(CONFIG_IOP_WATCHDOG) += iop_wdt.o
 obj-$(CONFIG_DAVINCI_WATCHDOG) += davinci_wdt.o
 obj-$(CONFIG_ORION_WATCHDOG) += orion_wdt.o
+obj-$(CONFIG_SUNXI_WATCHDOG) += sunxi_wdt.o
 obj-$(CONFIG_COH901327_WATCHDOG) += coh901327_wdt.o
 obj-$(CONFIG_STMP3XXX_RTC_WATCHDOG) += stmp3xxx_rtc_wdt.o
 obj-$(CONFIG_NUC900_WATCHDOG) += nuc900_wdt.o
@@ -54,6 +54,9 @@ obj-$(CONFIG_TS72XX_WATCHDOG) += ts72xx_wdt.o
 obj-$(CONFIG_IMX2_WDT) += imx2_wdt.o
 obj-$(CONFIG_UX500_WATCHDOG) += ux500_wdt.o
 obj-$(CONFIG_RETU_WATCHDOG) += retu_wdt.o
+obj-$(CONFIG_BCM2835_WDT) += bcm2835_wdt.o
+obj-$(CONFIG_MOXART_WDT) += moxart_wdt.o
+obj-$(CONFIG_SIRFSOC_WATCHDOG) += sirfsoc_wdt.o
 
 # AVR32 Architecture
 obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
@@ -65,8 +68,6 @@ obj-$(CONFIG_BFIN_WDT) += bfin_wdt.o
 
 # FRV Architecture
 
-# H8300 Architecture
-
 # X86 (i386 + ia64 + x86_64) Architecture
 obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
 obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
@@ -90,6 +91,7 @@ endif
 obj-$(CONFIG_IT8712F_WDT) += it8712f_wdt.o
 obj-$(CONFIG_IT87_WDT) += it87_wdt.o
 obj-$(CONFIG_HP_WATCHDOG) += hpwdt.o
+obj-$(CONFIG_KEMPLD_WDT) += kempld_wdt.o
 obj-$(CONFIG_SC1200_WDT) += sc1200wdt.o
 obj-$(CONFIG_SCx200_WDT) += scx200_wdt.o
 obj-$(CONFIG_PC87413_WDT) += pc87413_wdt.o
@@ -134,6 +136,7 @@ obj-$(CONFIG_TXX9_WDT) += txx9wdt.o
 obj-$(CONFIG_OCTEON_WDT) += octeon-wdt.o
 octeon-wdt-y := octeon-wdt-main.o octeon-wdt-nmi.o
 obj-$(CONFIG_LANTIQ_WDT) += lantiq_wdt.o
+obj-$(CONFIG_RALINK_WDT) += rt2880_wdt.o
 
 # PARISC Architecture
 
@@ -143,6 +146,7 @@ obj-$(CONFIG_8xxx_WDT) += mpc8xxx_wdt.o
 obj-$(CONFIG_MV64X60_WDT) += mv64x60_wdt.o
 obj-$(CONFIG_PIKA_WDT) += pika_wdt.o
 obj-$(CONFIG_BOOKE_WDT) += booke_wdt.o
+obj-$(CONFIG_MEN_A21_WDT) += mena21_wdt.o
 
 # PPC64 Architecture
 obj-$(CONFIG_WATCHDOG_RTAS) += wdrtas.o
diff --git a/drivers/watchdog/acquirewdt.c b/drivers/watchdog/acquirewdt.c
index 24a5177..5cf1621 100644
--- a/drivers/watchdog/acquirewdt.c
+++ b/drivers/watchdog/acquirewdt.c
@@ -60,8 +60,7 @@
 #include <linux/types.h>		/* For standard types (like size_t) */
 #include <linux/errno.h>		/* For the -ENODEV/... values */
 #include <linux/kernel.h>		/* For printk/panic/... */
-#include <linux/miscdevice.h>		/* For MODULE_ALIAS_MISCDEV
-							(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h>		/* For struct miscdevice */
 #include <linux/watchdog.h>		/* For the watchdog specific items */
 #include <linux/fs.h>			/* For file operations */
 #include <linux/ioport.h>		/* For io-port access */
@@ -337,4 +336,3 @@ module_exit(acq_exit);
 MODULE_AUTHOR("David Woodhouse");
 MODULE_DESCRIPTION("Acquire Inc. Single Board Computer Watchdog Timer driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/advantechwdt.c b/drivers/watchdog/advantechwdt.c
index cc6702f..a8961ad 100644
--- a/drivers/watchdog/advantechwdt.c
+++ b/drivers/watchdog/advantechwdt.c
@@ -345,4 +345,3 @@ module_exit(advwdt_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Marek Michalkiewicz <marekm@linux.org.pl>");
 MODULE_DESCRIPTION("Advantech Single Board Computer WDT driver");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/alim1535_wdt.c b/drivers/watchdog/alim1535_wdt.c
index 41b8493..fbb7b94 100644
--- a/drivers/watchdog/alim1535_wdt.c
+++ b/drivers/watchdog/alim1535_wdt.c
@@ -452,4 +452,3 @@ module_exit(watchdog_exit);
 MODULE_AUTHOR("Alan Cox");
 MODULE_DESCRIPTION("ALi M1535 PMU Watchdog Timer driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/alim7101_wdt.c b/drivers/watchdog/alim7101_wdt.c
index 5eee550..12f0b76 100644
--- a/drivers/watchdog/alim7101_wdt.c
+++ b/drivers/watchdog/alim7101_wdt.c
@@ -425,4 +425,3 @@ MODULE_DEVICE_TABLE(pci, alim7101_pci_tbl);
 MODULE_AUTHOR("Steve Hill");
 MODULE_DESCRIPTION("ALi M7101 PMU Computer Watchdog Timer driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c
index 2f3cc8f..3a99657 100644
--- a/drivers/watchdog/ar7_wdt.c
+++ b/drivers/watchdog/ar7_wdt.c
@@ -46,7 +46,6 @@
 MODULE_AUTHOR("Nicolas Thill <nico@openwrt.org>");
 MODULE_DESCRIPTION(LONGNAME);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 static int margin = 60;
 module_param(margin, int, 0);
@@ -280,11 +279,6 @@ static int ar7_wdt_probe(struct platform_device *pdev)
 
 	ar7_regs_wdt =
 		platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
-	if (!ar7_regs_wdt) {
-		pr_err("could not get registers resource\n");
-		return -ENODEV;
-	}
-
 	ar7_wdt = devm_ioremap_resource(&pdev->dev, ar7_regs_wdt);
 	if (IS_ERR(ar7_wdt))
 		return PTR_ERR(ar7_wdt);
diff --git a/drivers/watchdog/at32ap700x_wdt.c b/drivers/watchdog/at32ap700x_wdt.c
index 7a715e3..afe7d17 100644
--- a/drivers/watchdog/at32ap700x_wdt.c
+++ b/drivers/watchdog/at32ap700x_wdt.c
@@ -321,13 +321,14 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
 		return -ENXIO;
 	}
 
-	wdt = kzalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL);
+	wdt = devm_kzalloc(&pdev->dev, sizeof(struct wdt_at32ap700x),
+			GFP_KERNEL);
 	if (!wdt) {
 		dev_dbg(&pdev->dev, "no memory for wdt structure\n");
 		return -ENOMEM;
 	}
 
-	wdt->regs = ioremap(regs->start, resource_size(regs));
+	wdt->regs = devm_ioremap(&pdev->dev, regs->start, resource_size(regs));
 	if (!wdt->regs) {
 		ret = -ENOMEM;
 		dev_dbg(&pdev->dev, "could not map I/O memory\n");
@@ -342,7 +343,7 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
 		dev_info(&pdev->dev, "CPU must be reset with external "
 				"reset or POR due to silicon errata.\n");
 		ret = -EIO;
-		goto err_iounmap;
+		goto err_free;
 	} else {
 		wdt->users = 0;
 	}
@@ -364,7 +365,7 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
 	ret = misc_register(&wdt->miscdev);
 	if (ret) {
 		dev_dbg(&pdev->dev, "failed to register wdt miscdev\n");
-		goto err_register;
+		goto err_free;
 	}
 
 	dev_info(&pdev->dev,
@@ -373,12 +374,7 @@ static int __init at32_wdt_probe(struct platform_device *pdev)
 
 	return 0;
 
-err_register:
-	platform_set_drvdata(pdev, NULL);
-err_iounmap:
-	iounmap(wdt->regs);
 err_free:
-	kfree(wdt);
 	wdt = NULL;
 	return ret;
 }
@@ -391,10 +387,7 @@ static int __exit at32_wdt_remove(struct platform_device *pdev)
 			at32_wdt_stop();
 
 		misc_deregister(&wdt->miscdev);
-		iounmap(wdt->regs);
-		kfree(wdt);
 		wdt = NULL;
-		platform_set_drvdata(pdev, NULL);
 	}
 	return 0;
 }
@@ -441,4 +434,3 @@ module_platform_driver_probe(at32_wdt_driver, at32_wdt_probe);
 MODULE_AUTHOR("Hans-Christian Egtvedt <egtvedt@samfundet.no>");
 MODULE_DESCRIPTION("Watchdog driver for Atmel AT32AP700X");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c
index 1c75260..dee6cc2 100644
--- a/drivers/watchdog/at91rm9200_wdt.c
+++ b/drivers/watchdog/at91rm9200_wdt.c
@@ -269,7 +269,7 @@ static struct platform_driver at91wdt_driver = {
 	.driver		= {
 		.name	= "at91_wdt",
 		.owner	= THIS_MODULE,
-		.of_match_table = of_match_ptr(at91_wdt_dt_ids),
+		.of_match_table = at91_wdt_dt_ids,
 	},
 };
 
@@ -297,5 +297,4 @@ module_exit(at91_wdt_exit);
 MODULE_AUTHOR("Andrew Victor");
 MODULE_DESCRIPTION("Watchdog driver for Atmel AT91RM9200");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:at91_wdt");
diff --git a/drivers/watchdog/ath79_wdt.c b/drivers/watchdog/ath79_wdt.c
index 37cb09b..9fa1f69 100644
--- a/drivers/watchdog/ath79_wdt.c
+++ b/drivers/watchdog/ath79_wdt.c
@@ -329,4 +329,3 @@ MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org");
 MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org");
 MODULE_LICENSE("GPL v2");
 MODULE_ALIAS("platform:" DRIVER_NAME);
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/bcm2835_wdt.c b/drivers/watchdog/bcm2835_wdt.c
new file mode 100644
index 0000000..a6a2ceb
--- /dev/null
+++ b/drivers/watchdog/bcm2835_wdt.c
@@ -0,0 +1,188 @@
+/*
+ * Watchdog driver for Broadcom BCM2835
+ *
+ * "bcm2708_wdog" driver written by Luke Diamand that was obtained from
+ * branch "rpi-3.6.y" of git://github.com/raspberrypi/linux.git was used
+ * as a hardware reference for the Broadcom BCM2835 watchdog timer.
+ *
+ * Copyright (C) 2013 Lubomir Rintel <lkundrak@v3.sk>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/watchdog.h>
+#include <linux/platform_device.h>
+#include <linux/of_address.h>
+#include <linux/miscdevice.h>
+
+#define PM_RSTC				0x1c
+#define PM_WDOG				0x24
+
+#define PM_PASSWORD			0x5a000000
+
+#define PM_WDOG_TIME_SET		0x000fffff
+#define PM_RSTC_WRCFG_CLR		0xffffffcf
+#define PM_RSTC_WRCFG_SET		0x00000030
+#define PM_RSTC_WRCFG_FULL_RESET	0x00000020
+#define PM_RSTC_RESET			0x00000102
+
+#define SECS_TO_WDOG_TICKS(x) ((x) << 16)
+#define WDOG_TICKS_TO_SECS(x) ((x) >> 16)
+
+struct bcm2835_wdt {
+	void __iomem		*base;
+	spinlock_t		lock;
+};
+
+static unsigned int heartbeat;
+static bool nowayout = WATCHDOG_NOWAYOUT;
+
+static int bcm2835_wdt_start(struct watchdog_device *wdog)
+{
+	struct bcm2835_wdt *wdt = watchdog_get_drvdata(wdog);
+	uint32_t cur;
+	unsigned long flags;
+
+	spin_lock_irqsave(&wdt->lock, flags);
+
+	writel_relaxed(PM_PASSWORD | (SECS_TO_WDOG_TICKS(wdog->timeout) &
+				PM_WDOG_TIME_SET), wdt->base + PM_WDOG);
+	cur = readl_relaxed(wdt->base + PM_RSTC);
+	writel_relaxed(PM_PASSWORD | (cur & PM_RSTC_WRCFG_CLR) |
+		  PM_RSTC_WRCFG_FULL_RESET, wdt->base + PM_RSTC);
+
+	spin_unlock_irqrestore(&wdt->lock, flags);
+
+	return 0;
+}
+
+static int bcm2835_wdt_stop(struct watchdog_device *wdog)
+{
+	struct bcm2835_wdt *wdt = watchdog_get_drvdata(wdog);
+
+	writel_relaxed(PM_PASSWORD | PM_RSTC_RESET, wdt->base + PM_RSTC);
+	dev_info(wdog->dev, "Watchdog timer stopped");
+	return 0;
+}
+
+static int bcm2835_wdt_set_timeout(struct watchdog_device *wdog, unsigned int t)
+{
+	wdog->timeout = t;
+	return 0;
+}
+
+static unsigned int bcm2835_wdt_get_timeleft(struct watchdog_device *wdog)
+{
+	struct bcm2835_wdt *wdt = watchdog_get_drvdata(wdog);
+
+	uint32_t ret = readl_relaxed(wdt->base + PM_WDOG);
+	return WDOG_TICKS_TO_SECS(ret & PM_WDOG_TIME_SET);
+}
+
+static struct watchdog_ops bcm2835_wdt_ops = {
+	.owner =	THIS_MODULE,
+	.start =	bcm2835_wdt_start,
+	.stop =		bcm2835_wdt_stop,
+	.set_timeout =	bcm2835_wdt_set_timeout,
+	.get_timeleft =	bcm2835_wdt_get_timeleft,
+};
+
+static struct watchdog_info bcm2835_wdt_info = {
+	.options =	WDIOF_SETTIMEOUT | WDIOF_MAGICCLOSE |
+			WDIOF_KEEPALIVEPING,
+	.identity =	"Broadcom BCM2835 Watchdog timer",
+};
+
+static struct watchdog_device bcm2835_wdt_wdd = {
+	.info =		&bcm2835_wdt_info,
+	.ops =		&bcm2835_wdt_ops,
+	.min_timeout =	1,
+	.max_timeout =	WDOG_TICKS_TO_SECS(PM_WDOG_TIME_SET),
+	.timeout =	WDOG_TICKS_TO_SECS(PM_WDOG_TIME_SET),
+};
+
+static int bcm2835_wdt_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct device_node *np = dev->of_node;
+	struct bcm2835_wdt *wdt;
+	int err;
+
+	wdt = devm_kzalloc(dev, sizeof(struct bcm2835_wdt), GFP_KERNEL);
+	if (!wdt) {
+		dev_err(dev, "Failed to allocate memory for watchdog device");
+		return -ENOMEM;
+	}
+	platform_set_drvdata(pdev, wdt);
+
+	spin_lock_init(&wdt->lock);
+
+	wdt->base = of_iomap(np, 0);
+	if (!wdt->base) {
+		dev_err(dev, "Failed to remap watchdog regs");
+		return -ENODEV;
+	}
+
+	watchdog_set_drvdata(&bcm2835_wdt_wdd, wdt);
+	watchdog_init_timeout(&bcm2835_wdt_wdd, heartbeat, dev);
+	watchdog_set_nowayout(&bcm2835_wdt_wdd, nowayout);
+	err = watchdog_register_device(&bcm2835_wdt_wdd);
+	if (err) {
+		dev_err(dev, "Failed to register watchdog device");
+		iounmap(wdt->base);
+		return err;
+	}
+
+	dev_info(dev, "Broadcom BCM2835 watchdog timer");
+	return 0;
+}
+
+static int bcm2835_wdt_remove(struct platform_device *pdev)
+{
+	struct bcm2835_wdt *wdt = platform_get_drvdata(pdev);
+
+	watchdog_unregister_device(&bcm2835_wdt_wdd);
+	iounmap(wdt->base);
+
+	return 0;
+}
+
+static void bcm2835_wdt_shutdown(struct platform_device *pdev)
+{
+	bcm2835_wdt_stop(&bcm2835_wdt_wdd);
+}
+
+static const struct of_device_id bcm2835_wdt_of_match[] = {
+	{ .compatible = "brcm,bcm2835-pm-wdt", },
+	{},
+};
+MODULE_DEVICE_TABLE(of, bcm2835_wdt_of_match);
+
+static struct platform_driver bcm2835_wdt_driver = {
+	.probe		= bcm2835_wdt_probe,
+	.remove		= bcm2835_wdt_remove,
+	.shutdown	= bcm2835_wdt_shutdown,
+	.driver = {
+		.name =		"bcm2835-wdt",
+		.owner =	THIS_MODULE,
+		.of_match_table = bcm2835_wdt_of_match,
+	},
+};
+module_platform_driver(bcm2835_wdt_driver);
+
+module_param(heartbeat, uint, 0);
+MODULE_PARM_DESC(heartbeat, "Initial watchdog heartbeat in seconds");
+
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+				__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+MODULE_AUTHOR("Lubomir Rintel <lkundrak@v3.sk>");
+MODULE_DESCRIPTION("Driver for Broadcom BCM2835 watchdog timer");
+MODULE_LICENSE("GPL");
diff --git a/drivers/watchdog/bcm63xx_wdt.c b/drivers/watchdog/bcm63xx_wdt.c
index b2b80d4..4eb188b 100644
--- a/drivers/watchdog/bcm63xx_wdt.c
+++ b/drivers/watchdog/bcm63xx_wdt.c
@@ -16,6 +16,7 @@
 #include <linux/errno.h>
 #include <linux/fs.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/miscdevice.h>
 #include <linux/module.h>
@@ -249,7 +250,8 @@ static int bcm63xx_wdt_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	bcm63xx_wdt_device.regs = ioremap_nocache(r->start, resource_size(r));
+	bcm63xx_wdt_device.regs = devm_ioremap_nocache(&pdev->dev, r->start,
+							resource_size(r));
 	if (!bcm63xx_wdt_device.regs) {
 		dev_err(&pdev->dev, "failed to remap I/O resources\n");
 		return -ENXIO;
@@ -258,7 +260,7 @@ static int bcm63xx_wdt_probe(struct platform_device *pdev)
 	ret = bcm63xx_timer_register(TIMER_WDT_ID, bcm63xx_wdt_isr, NULL);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to register wdt timer isr\n");
-		goto unmap;
+		return ret;
 	}
 
 	if (bcm63xx_wdt_settimeout(wdt_time)) {
@@ -281,8 +283,6 @@ static int bcm63xx_wdt_probe(struct platform_device *pdev)
 
 unregister_timer:
 	bcm63xx_timer_unregister(TIMER_WDT_ID);
-unmap:
-	iounmap(bcm63xx_wdt_device.regs);
 	return ret;
 }
 
@@ -293,7 +293,6 @@ static int bcm63xx_wdt_remove(struct platform_device *pdev)
 
 	misc_deregister(&bcm63xx_wdt_miscdev);
 	bcm63xx_timer_unregister(TIMER_WDT_ID);
-	iounmap(bcm63xx_wdt_device.regs);
 	return 0;
 }
 
@@ -318,5 +317,4 @@ MODULE_AUTHOR("Miguel Gaio <miguel.gaio@efixo.com>");
 MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
 MODULE_DESCRIPTION("Driver for the Broadcom BCM63xx SoC watchdog");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:bcm63xx-wdt");
diff --git a/drivers/watchdog/bfin_wdt.c b/drivers/watchdog/bfin_wdt.c
index 5d36d6f..a3b6a5b 100644
--- a/drivers/watchdog/bfin_wdt.c
+++ b/drivers/watchdog/bfin_wdt.c
@@ -465,7 +465,6 @@ module_exit(bfin_wdt_exit);
 MODULE_AUTHOR("Michele d'Amico, Mike Frysinger <vapier@gentoo.org>");
 MODULE_DESCRIPTION("Blackfin Watchdog Device Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 module_param(timeout, uint, 0);
 MODULE_PARM_DESC(timeout,
diff --git a/drivers/watchdog/coh901327_wdt.c b/drivers/watchdog/coh901327_wdt.c
index b9b8a8b..4bd070f 100644
--- a/drivers/watchdog/coh901327_wdt.c
+++ b/drivers/watchdog/coh901327_wdt.c
@@ -354,9 +354,9 @@ static int __init coh901327_probe(struct platform_device *pdev)
 
 	clk_disable(clk);
 
-	if (margin < 1 || margin > 327)
-		margin = 60;
-	coh901327_wdt.timeout = margin;
+	ret = watchdog_init_timeout(&coh901327_wdt, margin, &pdev->dev);
+	if (ret < 0)
+		coh901327_wdt.timeout = 60;
 
 	ret = watchdog_register_device(&coh901327_wdt);
 	if (ret == 0)
@@ -441,10 +441,16 @@ void coh901327_watchdog_reset(void)
 	/* Return and await doom */
 }
 
+static const struct of_device_id coh901327_dt_match[] = {
+	{ .compatible = "stericsson,coh901327" },
+	{},
+};
+
 static struct platform_driver coh901327_driver = {
 	.driver = {
 		.owner	= THIS_MODULE,
 		.name	= "coh901327_wdog",
+		.of_match_table = coh901327_dt_match,
 	},
 	.remove		= __exit_p(coh901327_remove),
 	.suspend	= coh901327_suspend,
diff --git a/drivers/watchdog/cpu5wdt.c b/drivers/watchdog/cpu5wdt.c
index f270bb7..f7ae49e 100644
--- a/drivers/watchdog/cpu5wdt.c
+++ b/drivers/watchdog/cpu5wdt.c
@@ -289,7 +289,6 @@ MODULE_AUTHOR("Heiko Ronsdorf <hero@ihg.uni-duisburg.de>");
 MODULE_DESCRIPTION("sma cpu5 watchdog driver");
 MODULE_SUPPORTED_DEVICE("sma cpu5 watchdog");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 module_param(port, int, 0);
 MODULE_PARM_DESC(port, "base address of watchdog card, default is 0x91");
diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c
index 7038758..213225e 100644
--- a/drivers/watchdog/cpwd.c
+++ b/drivers/watchdog/cpwd.c
@@ -621,7 +621,7 @@ static int cpwd_probe(struct platform_device *op)
 			WD_BADMODEL);
 	}
 
-	dev_set_drvdata(&op->dev, p);
+	platform_set_drvdata(op, p);
 	cpwd_device = p;
 	err = 0;
 
@@ -642,7 +642,7 @@ out_free:
 
 static int cpwd_remove(struct platform_device *op)
 {
-	struct cpwd *p = dev_get_drvdata(&op->dev);
+	struct cpwd *p = platform_get_drvdata(op);
 	int i;
 
 	for (i = 0; i < WD_NUMDEVS; i++) {
diff --git a/drivers/watchdog/da9052_wdt.c b/drivers/watchdog/da9052_wdt.c
index 3674450..f09c54e 100644
--- a/drivers/watchdog/da9052_wdt.c
+++ b/drivers/watchdog/da9052_wdt.c
@@ -215,14 +215,14 @@ static int da9052_wdt_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	dev_set_drvdata(&pdev->dev, driver_data);
+	platform_set_drvdata(pdev, driver_data);
 err:
 	return ret;
 }
 
 static int da9052_wdt_remove(struct platform_device *pdev)
 {
-	struct da9052_wdt_data *driver_data = dev_get_drvdata(&pdev->dev);
+	struct da9052_wdt_data *driver_data = platform_get_drvdata(pdev);
 
 	watchdog_unregister_device(&driver_data->wdt);
 	kref_put(&driver_data->kref, da9052_wdt_release_resources);
diff --git a/drivers/watchdog/da9055_wdt.c b/drivers/watchdog/da9055_wdt.c
index f5ad105..575f37a 100644
--- a/drivers/watchdog/da9055_wdt.c
+++ b/drivers/watchdog/da9055_wdt.c
@@ -174,7 +174,7 @@ static int da9055_wdt_probe(struct platform_device *pdev)
 		goto err;
 	}
 
-	dev_set_drvdata(&pdev->dev, driver_data);
+	platform_set_drvdata(pdev, driver_data);
 
 	ret = watchdog_register_device(&driver_data->wdt);
 	if (ret != 0)
@@ -187,7 +187,7 @@ err:
 
 static int da9055_wdt_remove(struct platform_device *pdev)
 {
-	struct da9055_wdt_data *driver_data = dev_get_drvdata(&pdev->dev);
+	struct da9055_wdt_data *driver_data = platform_get_drvdata(pdev);
 
 	watchdog_unregister_device(&driver_data->wdt);
 	kref_put(&driver_data->kref, da9055_wdt_release_resources);
diff --git a/drivers/watchdog/davinci_wdt.c b/drivers/watchdog/davinci_wdt.c
index bead774..dd625cc 100644
--- a/drivers/watchdog/davinci_wdt.c
+++ b/drivers/watchdog/davinci_wdt.c
@@ -267,5 +267,4 @@ MODULE_PARM_DESC(heartbeat,
 		 __MODULE_STRING(DEFAULT_HEARTBEAT));
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:watchdog");
diff --git a/drivers/watchdog/dw_wdt.c b/drivers/watchdog/dw_wdt.c
index 2037669..a46f5c7 100644
--- a/drivers/watchdog/dw_wdt.c
+++ b/drivers/watchdog/dw_wdt.c
@@ -29,6 +29,7 @@
 #include <linux/miscdevice.h>
 #include <linux/module.h>
 #include <linux/moduleparam.h>
+#include <linux/of.h>
 #include <linux/pm.h>
 #include <linux/platform_device.h>
 #include <linux/spinlock.h>
@@ -154,8 +155,8 @@ static int dw_wdt_open(struct inode *inode, struct file *filp)
 	return nonseekable_open(inode, filp);
 }
 
-ssize_t dw_wdt_write(struct file *filp, const char __user *buf, size_t len,
-		     loff_t *offset)
+static ssize_t dw_wdt_write(struct file *filp, const char __user *buf,
+			    size_t len, loff_t *offset)
 {
 	if (!len)
 		return 0;
@@ -203,12 +204,12 @@ static long dw_wdt_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 
 	switch (cmd) {
 	case WDIOC_GETSUPPORT:
-		return copy_to_user((struct watchdog_info *)arg, &dw_wdt_ident,
+		return copy_to_user((void __user *)arg, &dw_wdt_ident,
 				    sizeof(dw_wdt_ident)) ? -EFAULT : 0;
 
 	case WDIOC_GETSTATUS:
 	case WDIOC_GETBOOTSTATUS:
-		return put_user(0, (int *)arg);
+		return put_user(0, (int __user *)arg);
 
 	case WDIOC_KEEPALIVE:
 		dw_wdt_set_next_heartbeat();
@@ -252,17 +253,17 @@ static int dw_wdt_release(struct inode *inode, struct file *filp)
 	return 0;
 }
 
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
 static int dw_wdt_suspend(struct device *dev)
 {
-	clk_disable(dw_wdt.clk);
+	clk_disable_unprepare(dw_wdt.clk);
 
 	return 0;
 }
 
 static int dw_wdt_resume(struct device *dev)
 {
-	int err = clk_enable(dw_wdt.clk);
+	int err = clk_prepare_enable(dw_wdt.clk);
 
 	if (err)
 		return err;
@@ -271,12 +272,9 @@ static int dw_wdt_resume(struct device *dev)
 
 	return 0;
 }
+#endif /* CONFIG_PM_SLEEP */
 
-static const struct dev_pm_ops dw_wdt_pm_ops = {
-	.suspend	= dw_wdt_suspend,
-	.resume		= dw_wdt_resume,
-};
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(dw_wdt_pm_ops, dw_wdt_suspend, dw_wdt_resume);
 
 static const struct file_operations wdt_fops = {
 	.owner		= THIS_MODULE,
@@ -305,13 +303,13 @@ static int dw_wdt_drv_probe(struct platform_device *pdev)
 	if (IS_ERR(dw_wdt.regs))
 		return PTR_ERR(dw_wdt.regs);
 
-	dw_wdt.clk = clk_get(&pdev->dev, NULL);
+	dw_wdt.clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(dw_wdt.clk))
 		return PTR_ERR(dw_wdt.clk);
 
-	ret = clk_enable(dw_wdt.clk);
+	ret = clk_prepare_enable(dw_wdt.clk);
 	if (ret)
-		goto out_put_clk;
+		return ret;
 
 	spin_lock_init(&dw_wdt.lock);
 
@@ -326,9 +324,7 @@ static int dw_wdt_drv_probe(struct platform_device *pdev)
 	return 0;
 
 out_disable_clk:
-	clk_disable(dw_wdt.clk);
-out_put_clk:
-	clk_put(dw_wdt.clk);
+	clk_disable_unprepare(dw_wdt.clk);
 
 	return ret;
 }
@@ -337,21 +333,27 @@ static int dw_wdt_drv_remove(struct platform_device *pdev)
 {
 	misc_deregister(&dw_wdt_miscdev);
 
-	clk_disable(dw_wdt.clk);
-	clk_put(dw_wdt.clk);
+	clk_disable_unprepare(dw_wdt.clk);
 
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id dw_wdt_of_match[] = {
+	{ .compatible = "snps,dw-wdt", },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, dw_wdt_of_match);
+#endif
+
 static struct platform_driver dw_wdt_driver = {
 	.probe		= dw_wdt_drv_probe,
 	.remove		= dw_wdt_drv_remove,
 	.driver		= {
 		.name	= "dw_wdt",
 		.owner	= THIS_MODULE,
-#ifdef CONFIG_PM
+		.of_match_table = of_match_ptr(dw_wdt_of_match),
 		.pm	= &dw_wdt_pm_ops,
-#endif /* CONFIG_PM */
 	},
 };
 
@@ -360,4 +362,3 @@ module_platform_driver(dw_wdt_driver);
 MODULE_AUTHOR("Jamie Iles");
 MODULE_DESCRIPTION("Synopsys DesignWare Watchdog Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/ep93xx_wdt.c b/drivers/watchdog/ep93xx_wdt.c
index e057484..833e813 100644
--- a/drivers/watchdog/ep93xx_wdt.c
+++ b/drivers/watchdog/ep93xx_wdt.c
@@ -179,4 +179,3 @@ MODULE_AUTHOR("Ray Lehtiniemi <rayl@mail.com>,"
 MODULE_DESCRIPTION("EP93xx Watchdog");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(WDT_VERSION);
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/eurotechwdt.c b/drivers/watchdog/eurotechwdt.c
index cd31b8a..23ee532 100644
--- a/drivers/watchdog/eurotechwdt.c
+++ b/drivers/watchdog/eurotechwdt.c
@@ -477,4 +477,3 @@ module_exit(eurwdt_exit);
 MODULE_AUTHOR("Rodolfo Giometti");
 MODULE_DESCRIPTION("Driver for Eurotech CPU-1220/1410 on board watchdog");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/gef_wdt.c b/drivers/watchdog/gef_wdt.c
index 257cfba..25beb30 100644
--- a/drivers/watchdog/gef_wdt.c
+++ b/drivers/watchdog/gef_wdt.c
@@ -34,6 +34,7 @@
 #include <linux/watchdog.h>
 #include <linux/fs.h>
 #include <linux/of.h>
+#include <linux/of_address.h>
 #include <linux/of_platform.h>
 #include <linux/io.h>
 #include <linux/uaccess.h>
@@ -330,5 +331,4 @@ module_exit(gef_wdt_exit);
 MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com>");
 MODULE_DESCRIPTION("GE watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:gef_wdt");
diff --git a/drivers/watchdog/geodewdt.c b/drivers/watchdog/geodewdt.c
index fcd599d..4a6ae84 100644
--- a/drivers/watchdog/geodewdt.c
+++ b/drivers/watchdog/geodewdt.c
@@ -297,4 +297,3 @@ module_exit(geodewdt_exit);
 MODULE_AUTHOR("Advanced Micro Devices, Inc");
 MODULE_DESCRIPTION("Geode GX/LX Watchdog Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 11796b9..45b979d 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -39,7 +39,7 @@
 #endif /* CONFIG_HPWDT_NMI_DECODING */
 #include <asm/nmi.h>
 
-#define HPWDT_VERSION			"1.3.1"
+#define HPWDT_VERSION			"1.3.2"
 #define SECS_TO_TICKS(secs)		((secs) * 1000 / 128)
 #define TICKS_TO_SECS(ticks)		((ticks) * 128 / 1000)
 #define HPWDT_MAX_TIMER			TICKS_TO_SECS(65535)
@@ -148,6 +148,7 @@ struct cmn_registers {
 static unsigned int hpwdt_nmi_decoding;
 static unsigned int allow_kdump = 1;
 static unsigned int is_icru;
+static unsigned int is_uefi;
 static DEFINE_SPINLOCK(rom_lock);
 static void *cru_rom_addr;
 static struct cmn_registers cmn_regs;
@@ -161,7 +162,8 @@ extern asmlinkage void asminline_call(struct cmn_registers *pi86Regs,
 #define HPWDT_ARCH	32
 
 asm(".text                          \n\t"
-    ".align 4                       \n"
+    ".align 4                       \n\t"
+    ".globl asminline_call	    \n"
     "asminline_call:                \n\t"
     "pushl       %ebp               \n\t"
     "movl        %esp, %ebp         \n\t"
@@ -351,7 +353,8 @@ static int detect_cru_service(void)
 #define HPWDT_ARCH	64
 
 asm(".text                      \n\t"
-    ".align 4                   \n"
+    ".align 4                   \n\t"
+    ".globl asminline_call	\n"
     "asminline_call:            \n\t"
     "pushq      %rbp            \n\t"
     "movq       %rsp, %rbp      \n\t"
@@ -484,7 +487,7 @@ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs)
 		goto out;
 
 	spin_lock_irqsave(&rom_lock, rom_pl);
-	if (!die_nmi_called && !is_icru)
+	if (!die_nmi_called && !is_icru && !is_uefi)
 		asminline_call(&cmn_regs, cru_rom_addr);
 	die_nmi_called = 1;
 	spin_unlock_irqrestore(&rom_lock, rom_pl);
@@ -492,7 +495,7 @@ static int hpwdt_pretimeout(unsigned int ulReason, struct pt_regs *regs)
 	if (allow_kdump)
 		hpwdt_stop();
 
-	if (!is_icru) {
+	if (!is_icru && !is_uefi) {
 		if (cmn_regs.u1.ral == 0) {
 			panic("An NMI occurred, "
 				"but unable to determine source.\n");
@@ -679,6 +682,8 @@ static void dmi_find_icru(const struct dmi_header *dm, void *dummy)
 		smbios_proliant_ptr = (struct smbios_proliant_info *) dm;
 		if (smbios_proliant_ptr->misc_features & 0x01)
 			is_icru = 1;
+		if (smbios_proliant_ptr->misc_features & 0x408)
+			is_uefi = 1;
 	}
 }
 
@@ -697,7 +702,7 @@ static int hpwdt_init_nmi_decoding(struct pci_dev *dev)
 	 * the old cru detect code.
 	 */
 	dmi_walk(dmi_find_icru, NULL);
-	if (!is_icru) {
+	if (!is_icru && !is_uefi) {
 
 		/*
 		* We need to map the ROM to get the CRU service.
@@ -797,6 +802,12 @@ static int hpwdt_init_one(struct pci_dev *dev,
 		return -ENODEV;
 	}
 
+	/*
+	 * Ignore all auxilary iLO devices with the following PCI ID
+	 */
+	if (dev->subsystem_device == 0x1979)
+		return -ENODEV;
+
 	if (pci_enable_device(dev)) {
 		dev_warn(&dev->dev,
 			"Not possible to enable PCI Device: 0x%x:0x%x.\n",
@@ -870,7 +881,6 @@ MODULE_AUTHOR("Tom Mingarelli");
 MODULE_DESCRIPTION("hp watchdog driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(HPWDT_VERSION);
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 module_param(soft_margin, int, 0);
 MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds");
diff --git a/drivers/watchdog/i6300esb.c b/drivers/watchdog/i6300esb.c
index 2b2ea13..a72fe93 100644
--- a/drivers/watchdog/i6300esb.c
+++ b/drivers/watchdog/i6300esb.c
@@ -497,4 +497,3 @@ module_pci_driver(esb_driver);
 MODULE_AUTHOR("Ross Biro and David Härdeman");
 MODULE_DESCRIPTION("Watchdog driver for Intel 6300ESB chipsets");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/iTCO_wdt.c b/drivers/watchdog/iTCO_wdt.c
index 6130321..04f8af6 100644
--- a/drivers/watchdog/iTCO_wdt.c
+++ b/drivers/watchdog/iTCO_wdt.c
@@ -56,8 +56,6 @@
 #include <linux/types.h>		/* For standard types (like size_t) */
 #include <linux/errno.h>		/* For the -ENODEV/... values */
 #include <linux/kernel.h>		/* For printk/panic/... */
-#include <linux/miscdevice.h>		/* For MODULE_ALIAS_MISCDEV
-							(WATCHDOG_MINOR) */
 #include <linux/watchdog.h>		/* For the watchdog specific items */
 #include <linux/init.h>			/* For __init/__exit/... */
 #include <linux/fs.h>			/* For file operations */
@@ -394,7 +392,7 @@ static int iTCO_wdt_probe(struct platform_device *dev)
 {
 	int ret = -ENODEV;
 	unsigned long val32;
-	struct lpc_ich_info *ich_info = dev->dev.platform_data;
+	struct lpc_ich_info *ich_info = dev_get_platdata(&dev->dev);
 
 	if (!ich_info)
 		goto out;
@@ -582,5 +580,4 @@ MODULE_AUTHOR("Wim Van Sebroeck <wim@iguana.be>");
 MODULE_DESCRIPTION("Intel TCO WatchDog Timer Driver");
 MODULE_VERSION(DRV_VERSION);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:" DRV_NAME);
diff --git a/drivers/watchdog/ib700wdt.c b/drivers/watchdog/ib700wdt.c
index eb6b5cc..7ae3669 100644
--- a/drivers/watchdog/ib700wdt.c
+++ b/drivers/watchdog/ib700wdt.c
@@ -382,6 +382,5 @@ module_exit(ibwdt_exit);
 MODULE_AUTHOR("Charles Howes <chowes@vsol.net>");
 MODULE_DESCRIPTION("IB700 SBC watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 /* end of ib700wdt.c */
diff --git a/drivers/watchdog/ibmasr.c b/drivers/watchdog/ibmasr.c
index bc3fb8f..db0a344 100644
--- a/drivers/watchdog/ibmasr.c
+++ b/drivers/watchdog/ibmasr.c
@@ -419,4 +419,3 @@ MODULE_PARM_DESC(nowayout,
 MODULE_DESCRIPTION("IBM Automatic Server Restart driver");
 MODULE_AUTHOR("Andrey Panin");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/ie6xx_wdt.c b/drivers/watchdog/ie6xx_wdt.c
index e24ef6a..70a2402 100644
--- a/drivers/watchdog/ie6xx_wdt.c
+++ b/drivers/watchdog/ie6xx_wdt.c
@@ -344,5 +344,4 @@ module_exit(ie6xx_wdt_exit);
 MODULE_AUTHOR("Alexander Stein <alexander.stein@systec-electronic.com>");
 MODULE_DESCRIPTION("Intel Atom E6xx Watchdog Device Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
index 62946c2..b4786bc 100644
--- a/drivers/watchdog/imx2_wdt.c
+++ b/drivers/watchdog/imx2_wdt.c
@@ -261,7 +261,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
 	if (IS_ERR(imx2_wdt.base))
 		return PTR_ERR(imx2_wdt.base);
 
-	imx2_wdt.clk = clk_get(&pdev->dev, NULL);
+	imx2_wdt.clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(imx2_wdt.clk)) {
 		dev_err(&pdev->dev, "can't get Watchdog clock\n");
 		return PTR_ERR(imx2_wdt.clk);
@@ -286,7 +286,6 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
 
 fail:
 	imx2_wdt_miscdev.parent = NULL;
-	clk_put(imx2_wdt.clk);
 	return ret;
 }
 
@@ -299,8 +298,7 @@ static int __exit imx2_wdt_remove(struct platform_device *pdev)
 
 		dev_crit(imx2_wdt_miscdev.parent,
 			"Device removed: Expect reboot!\n");
-	} else
-		clk_put(imx2_wdt.clk);
+	}
 
 	imx2_wdt_miscdev.parent = NULL;
 	return 0;
@@ -324,6 +322,7 @@ static const struct of_device_id imx2_wdt_dt_ids[] = {
 	{ .compatible = "fsl,imx21-wdt", },
 	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, imx2_wdt_dt_ids);
 
 static struct platform_driver imx2_wdt_driver = {
 	.remove		= __exit_p(imx2_wdt_remove),
@@ -340,5 +339,4 @@ module_platform_driver_probe(imx2_wdt_driver, imx2_wdt_probe);
 MODULE_AUTHOR("Wolfram Sang");
 MODULE_DESCRIPTION("Watchdog driver for IMX2 and later");
 MODULE_LICENSE("GPL v2");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/watchdog/indydog.c b/drivers/watchdog/indydog.c
index 6d90f7a..1b5c25a 100644
--- a/drivers/watchdog/indydog.c
+++ b/drivers/watchdog/indydog.c
@@ -214,4 +214,3 @@ module_exit(watchdog_exit);
 MODULE_AUTHOR("Guido Guenther <agx@sigxcpu.org>");
 MODULE_DESCRIPTION("Hardware Watchdog Device for SGI IP22");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/intel_scu_watchdog.c b/drivers/watchdog/intel_scu_watchdog.c
index 9dda2d0..e13e65e 100644
--- a/drivers/watchdog/intel_scu_watchdog.c
+++ b/drivers/watchdog/intel_scu_watchdog.c
@@ -48,7 +48,7 @@
 #include <linux/atomic.h>
 #include <asm/intel_scu_ipc.h>
 #include <asm/apb_timer.h>
-#include <asm/mrst.h>
+#include <asm/intel-mid.h>
 
 #include "intel_scu_watchdog.h"
 
@@ -445,7 +445,7 @@ static int __init intel_scu_watchdog_init(void)
 	 *
 	 * If it isn't an intel MID device then it doesn't have this watchdog
 	 */
-	if (!mrst_identify_cpu())
+	if (!intel_mid_identify_cpu())
 		return -ENODEV;
 
 	/* Check boot parameters to verify that their initial values */
@@ -564,5 +564,4 @@ module_exit(intel_scu_watchdog_exit);
 MODULE_AUTHOR("Intel Corporation");
 MODULE_DESCRIPTION("Intel SCU Watchdog Device Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_VERSION(WDT_VER);
diff --git a/drivers/watchdog/iop_wdt.c b/drivers/watchdog/iop_wdt.c
index d964faf..b16013f 100644
--- a/drivers/watchdog/iop_wdt.c
+++ b/drivers/watchdog/iop_wdt.c
@@ -259,4 +259,3 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
 MODULE_AUTHOR("Curt E Bruns <curt.e.bruns@intel.com>");
 MODULE_DESCRIPTION("iop watchdog timer driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/it8712f_wdt.c b/drivers/watchdog/it8712f_wdt.c
index f4cce6d..41b3979 100644
--- a/drivers/watchdog/it8712f_wdt.c
+++ b/drivers/watchdog/it8712f_wdt.c
@@ -41,7 +41,6 @@
 MODULE_AUTHOR("Jorge Boncompte - DTI2 <jorge@dti2.net>");
 MODULE_DESCRIPTION("IT8712F Watchdog Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 static int max_units = 255;
 static int margin = 60;		/* in seconds */
diff --git a/drivers/watchdog/it87_wdt.c b/drivers/watchdog/it87_wdt.c
index d3dcc69..e2bba68 100644
--- a/drivers/watchdog/it87_wdt.c
+++ b/drivers/watchdog/it87_wdt.c
@@ -772,4 +772,3 @@ module_exit(it87_wdt_exit);
 MODULE_AUTHOR("Oliver Schuster");
 MODULE_DESCRIPTION("Hardware Watchdog Device Driver for IT87xx EC-LPC I/O");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/ixp4xx_wdt.c b/drivers/watchdog/ixp4xx_wdt.c
index 5580b4f..f20cc53 100644
--- a/drivers/watchdog/ixp4xx_wdt.c
+++ b/drivers/watchdog/ixp4xx_wdt.c
@@ -208,5 +208,3 @@ module_param(nowayout, bool, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-
diff --git a/drivers/watchdog/jz4740_wdt.c b/drivers/watchdog/jz4740_wdt.c
index 1cb25f6..2de486a 100644
--- a/drivers/watchdog/jz4740_wdt.c
+++ b/drivers/watchdog/jz4740_wdt.c
@@ -177,7 +177,7 @@ static int jz4740_wdt_probe(struct platform_device *pdev)
 		goto err_out;
 	}
 
-	drvdata->rtc_clk = clk_get(NULL, "rtc");
+	drvdata->rtc_clk = clk_get(&pdev->dev, "rtc");
 	if (IS_ERR(drvdata->rtc_clk)) {
 		dev_err(&pdev->dev, "cannot find RTC clock\n");
 		ret = PTR_ERR(drvdata->rtc_clk);
@@ -222,5 +222,4 @@ module_platform_driver(jz4740_wdt_driver);
 MODULE_AUTHOR("Paul Cercueil <paul@crapouillou.net>");
 MODULE_DESCRIPTION("jz4740 Watchdog Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:jz4740-wdt");
diff --git a/drivers/watchdog/kempld_wdt.c b/drivers/watchdog/kempld_wdt.c
new file mode 100644
index 0000000..a1a3638
--- /dev/null
+++ b/drivers/watchdog/kempld_wdt.c
@@ -0,0 +1,580 @@
+/*
+ * Kontron PLD watchdog driver
+ *
+ * Copyright (c) 2010-2013 Kontron Europe GmbH
+ * Author: Michael Brunner <michael.brunner@kontron.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License 2 as published
+ * by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Note: From the PLD watchdog point of view timeout and pretimeout are
+ *       defined differently than in the kernel.
+ *       First the pretimeout stage runs out before the timeout stage gets
+ *       active.
+ *
+ * Kernel/API:                     P-----| pretimeout
+ *               |-----------------------T timeout
+ * Watchdog:     |-----------------P       pretimeout_stage
+ *                                 |-----T timeout_stage
+ */
+
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/miscdevice.h>
+#include <linux/uaccess.h>
+#include <linux/watchdog.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/kempld.h>
+
+#define KEMPLD_WDT_STAGE_TIMEOUT(x)	(0x1b + (x) * 4)
+#define KEMPLD_WDT_STAGE_CFG(x)		(0x18 + (x))
+#define STAGE_CFG_GET_PRESCALER(x)	(((x) & 0x30) >> 4)
+#define STAGE_CFG_SET_PRESCALER(x)	(((x) & 0x3) << 4)
+#define STAGE_CFG_PRESCALER_MASK	0x30
+#define STAGE_CFG_ACTION_MASK		0x7
+#define STAGE_CFG_ASSERT		(1 << 3)
+
+#define KEMPLD_WDT_MAX_STAGES		2
+#define KEMPLD_WDT_KICK			0x16
+#define KEMPLD_WDT_CFG			0x17
+#define KEMPLD_WDT_CFG_ENABLE		0x10
+#define KEMPLD_WDT_CFG_ENABLE_LOCK	0x8
+#define KEMPLD_WDT_CFG_GLOBAL_LOCK	0x80
+
+enum {
+	ACTION_NONE = 0,
+	ACTION_RESET,
+	ACTION_NMI,
+	ACTION_SMI,
+	ACTION_SCI,
+	ACTION_DELAY,
+};
+
+enum {
+	STAGE_TIMEOUT = 0,
+	STAGE_PRETIMEOUT,
+};
+
+enum {
+	PRESCALER_21 = 0,
+	PRESCALER_17,
+	PRESCALER_12,
+};
+
+static const u32 kempld_prescaler[] = {
+	[PRESCALER_21] = (1 << 21) - 1,
+	[PRESCALER_17] = (1 << 17) - 1,
+	[PRESCALER_12] = (1 << 12) - 1,
+	0,
+};
+
+struct kempld_wdt_stage {
+	unsigned int	id;
+	u32		mask;
+};
+
+struct kempld_wdt_data {
+	struct kempld_device_data	*pld;
+	struct watchdog_device		wdd;
+	unsigned int			pretimeout;
+	struct kempld_wdt_stage		stage[KEMPLD_WDT_MAX_STAGES];
+#ifdef CONFIG_PM
+	u8				pm_status_store;
+#endif
+};
+
+#define DEFAULT_TIMEOUT		30 /* seconds */
+#define DEFAULT_PRETIMEOUT	0
+
+static unsigned int timeout = DEFAULT_TIMEOUT;
+module_param(timeout, uint, 0);
+MODULE_PARM_DESC(timeout,
+	"Watchdog timeout in seconds. (>=0, default="
+	__MODULE_STRING(DEFAULT_TIMEOUT) ")");
+
+static unsigned int pretimeout = DEFAULT_PRETIMEOUT;
+module_param(pretimeout, uint, 0);
+MODULE_PARM_DESC(pretimeout,
+	"Watchdog pretimeout in seconds. (>=0, default="
+	__MODULE_STRING(DEFAULT_PRETIMEOUT) ")");
+
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout,
+	"Watchdog cannot be stopped once started (default="
+	__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+static int kempld_wdt_set_stage_action(struct kempld_wdt_data *wdt_data,
+					struct kempld_wdt_stage *stage,
+					u8 action)
+{
+	struct kempld_device_data *pld = wdt_data->pld;
+	u8 stage_cfg;
+
+	if (!stage || !stage->mask)
+		return -EINVAL;
+
+	kempld_get_mutex(pld);
+	stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
+	stage_cfg &= ~STAGE_CFG_ACTION_MASK;
+	stage_cfg |= (action & STAGE_CFG_ACTION_MASK);
+
+	if (action == ACTION_RESET)
+		stage_cfg |= STAGE_CFG_ASSERT;
+	else
+		stage_cfg &= ~STAGE_CFG_ASSERT;
+
+	kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg);
+	kempld_release_mutex(pld);
+
+	return 0;
+}
+
+static int kempld_wdt_set_stage_timeout(struct kempld_wdt_data *wdt_data,
+					struct kempld_wdt_stage *stage,
+					unsigned int timeout)
+{
+	struct kempld_device_data *pld = wdt_data->pld;
+	u32 prescaler = kempld_prescaler[PRESCALER_21];
+	u64 stage_timeout64;
+	u32 stage_timeout;
+	u32 remainder;
+	u8 stage_cfg;
+
+	if (!stage)
+		return -EINVAL;
+
+	stage_timeout64 = (u64)timeout * pld->pld_clock;
+	remainder = do_div(stage_timeout64, prescaler);
+	if (remainder)
+		stage_timeout64++;
+
+	if (stage_timeout64 > stage->mask)
+		return -EINVAL;
+
+	stage_timeout = stage_timeout64 & stage->mask;
+
+	kempld_get_mutex(pld);
+	stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
+	stage_cfg &= ~STAGE_CFG_PRESCALER_MASK;
+	stage_cfg |= STAGE_CFG_SET_PRESCALER(prescaler);
+	kempld_write8(pld, KEMPLD_WDT_STAGE_CFG(stage->id), stage_cfg);
+	kempld_write32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id),
+			stage_timeout);
+	kempld_release_mutex(pld);
+
+	return 0;
+}
+
+/*
+ * kempld_get_mutex must be called prior to calling this function.
+ */
+static unsigned int kempld_wdt_get_timeout(struct kempld_wdt_data *wdt_data,
+						struct kempld_wdt_stage *stage)
+{
+	struct kempld_device_data *pld = wdt_data->pld;
+	unsigned int timeout;
+	u64 stage_timeout;
+	u32 prescaler;
+	u32 remainder;
+	u8 stage_cfg;
+
+	if (!stage->mask)
+		return 0;
+
+	stage_cfg = kempld_read8(pld, KEMPLD_WDT_STAGE_CFG(stage->id));
+	stage_timeout = kempld_read32(pld, KEMPLD_WDT_STAGE_TIMEOUT(stage->id));
+	prescaler = kempld_prescaler[STAGE_CFG_GET_PRESCALER(stage_cfg)];
+
+	stage_timeout = (stage_timeout & stage->mask) * prescaler;
+	remainder = do_div(stage_timeout, pld->pld_clock);
+	if (remainder)
+		stage_timeout++;
+
+	timeout = stage_timeout;
+	WARN_ON_ONCE(timeout != stage_timeout);
+
+	return timeout;
+}
+
+static int kempld_wdt_set_timeout(struct watchdog_device *wdd,
+					unsigned int timeout)
+{
+	struct kempld_wdt_data *wdt_data = watchdog_get_drvdata(wdd);
+	struct kempld_wdt_stage *pretimeout_stage;
+	struct kempld_wdt_stage *timeout_stage;
+	int ret;
+
+	timeout_stage = &wdt_data->stage[STAGE_TIMEOUT];
+	pretimeout_stage = &wdt_data->stage[STAGE_PRETIMEOUT];
+
+	if (pretimeout_stage->mask && wdt_data->pretimeout > 0)
+		timeout = wdt_data->pretimeout;
+
+	ret = kempld_wdt_set_stage_action(wdt_data, timeout_stage,
+						ACTION_RESET);
+	if (ret)
+		return ret;
+	ret = kempld_wdt_set_stage_timeout(wdt_data, timeout_stage,
+						timeout);
+	if (ret)
+		return ret;
+
+	wdd->timeout = timeout;
+	return 0;
+}
+
+static int kempld_wdt_set_pretimeout(struct watchdog_device *wdd,
+					unsigned int pretimeout)
+{
+	struct kempld_wdt_data *wdt_data = watchdog_get_drvdata(wdd);
+	struct kempld_wdt_stage *pretimeout_stage;
+	u8 action = ACTION_NONE;
+	int ret;
+
+	pretimeout_stage = &wdt_data->stage[STAGE_PRETIMEOUT];
+
+	if (!pretimeout_stage->mask)
+		return -ENXIO;
+
+	if (pretimeout > wdd->timeout)
+		return -EINVAL;
+
+	if (pretimeout > 0)
+		action = ACTION_NMI;
+
+	ret = kempld_wdt_set_stage_action(wdt_data, pretimeout_stage,
+						action);
+	if (ret)
+		return ret;
+	ret = kempld_wdt_set_stage_timeout(wdt_data, pretimeout_stage,
+						wdd->timeout - pretimeout);
+	if (ret)
+		return ret;
+
+	wdt_data->pretimeout = pretimeout;
+	return 0;
+}
+
+static void kempld_wdt_update_timeouts(struct kempld_wdt_data *wdt_data)
+{
+	struct kempld_device_data *pld = wdt_data->pld;
+	struct kempld_wdt_stage *pretimeout_stage;
+	struct kempld_wdt_stage *timeout_stage;
+	unsigned int pretimeout, timeout;
+
+	pretimeout_stage = &wdt_data->stage[STAGE_PRETIMEOUT];
+	timeout_stage = &wdt_data->stage[STAGE_TIMEOUT];
+
+	kempld_get_mutex(pld);
+	pretimeout = kempld_wdt_get_timeout(wdt_data, pretimeout_stage);
+	timeout = kempld_wdt_get_timeout(wdt_data, timeout_stage);
+	kempld_release_mutex(pld);
+
+	if (pretimeout)
+		wdt_data->pretimeout = timeout;
+	else
+		wdt_data->pretimeout = 0;
+
+	wdt_data->wdd.timeout = pretimeout + timeout;
+}
+
+static int kempld_wdt_start(struct watchdog_device *wdd)
+{
+	struct kempld_wdt_data *wdt_data = watchdog_get_drvdata(wdd);
+	struct kempld_device_data *pld = wdt_data->pld;
+	u8 status;
+	int ret;
+
+	ret = kempld_wdt_set_timeout(wdd, wdd->timeout);
+	if (ret)
+		return ret;
+
+	kempld_get_mutex(pld);
+	status = kempld_read8(pld, KEMPLD_WDT_CFG);
+	status |= KEMPLD_WDT_CFG_ENABLE;
+	kempld_write8(pld, KEMPLD_WDT_CFG, status);
+	status = kempld_read8(pld, KEMPLD_WDT_CFG);
+	kempld_release_mutex(pld);
+
+	/* Check if the watchdog was enabled */
+	if (!(status & KEMPLD_WDT_CFG_ENABLE))
+		return -EACCES;
+
+	return 0;
+}
+
+static int kempld_wdt_stop(struct watchdog_device *wdd)
+{
+	struct kempld_wdt_data *wdt_data = watchdog_get_drvdata(wdd);
+	struct kempld_device_data *pld = wdt_data->pld;
+	u8 status;
+
+	kempld_get_mutex(pld);
+	status = kempld_read8(pld, KEMPLD_WDT_CFG);
+	status &= ~KEMPLD_WDT_CFG_ENABLE;
+	kempld_write8(pld, KEMPLD_WDT_CFG, status);
+	status = kempld_read8(pld, KEMPLD_WDT_CFG);
+	kempld_release_mutex(pld);
+
+	/* Check if the watchdog was disabled */
+	if (status & KEMPLD_WDT_CFG_ENABLE)
+		return -EACCES;
+
+	return 0;
+}
+
+static int kempld_wdt_keepalive(struct watchdog_device *wdd)
+{
+	struct kempld_wdt_data *wdt_data = watchdog_get_drvdata(wdd);
+	struct kempld_device_data *pld = wdt_data->pld;
+
+	kempld_get_mutex(pld);
+	kempld_write8(pld, KEMPLD_WDT_KICK, 'K');
+	kempld_release_mutex(pld);
+
+	return 0;
+}
+
+static long kempld_wdt_ioctl(struct watchdog_device *wdd, unsigned int cmd,
+				unsigned long arg)
+{
+	struct kempld_wdt_data *wdt_data = watchdog_get_drvdata(wdd);
+	void __user *argp = (void __user *)arg;
+	int ret = -ENOIOCTLCMD;
+	int __user *p = argp;
+	int new_value;
+
+	switch (cmd) {
+	case WDIOC_SETPRETIMEOUT:
+		if (get_user(new_value, p))
+			return -EFAULT;
+		ret = kempld_wdt_set_pretimeout(wdd, new_value);
+		if (ret)
+			return ret;
+		ret = kempld_wdt_keepalive(wdd);
+		break;
+	case WDIOC_GETPRETIMEOUT:
+		ret = put_user(wdt_data->pretimeout, (int __user *)arg);
+		break;
+	}
+
+	return ret;
+}
+
+static int kempld_wdt_probe_stages(struct watchdog_device *wdd)
+{
+	struct kempld_wdt_data *wdt_data = watchdog_get_drvdata(wdd);
+	struct kempld_device_data *pld = wdt_data->pld;
+	struct kempld_wdt_stage *pretimeout_stage;
+	struct kempld_wdt_stage *timeout_stage;
+	u8 index, data, data_orig;
+	u32 mask;
+	int i, j;
+
+	pretimeout_stage = &wdt_data->stage[STAGE_PRETIMEOUT];
+	timeout_stage = &wdt_data->stage[STAGE_TIMEOUT];
+
+	pretimeout_stage->mask = 0;
+	timeout_stage->mask = 0;
+
+	for (i = 0; i < 3; i++) {
+		index = KEMPLD_WDT_STAGE_TIMEOUT(i);
+		mask = 0;
+
+		kempld_get_mutex(pld);
+		/* Probe each byte individually. */
+		for (j = 0; j < 4; j++) {
+			data_orig = kempld_read8(pld, index + j);
+			kempld_write8(pld, index + j, 0x00);
+			data = kempld_read8(pld, index + j);
+			/* A failed write means this byte is reserved */
+			if (data != 0x00)
+				break;
+			kempld_write8(pld, index + j, data_orig);
+			mask |= 0xff << (j * 8);
+		}
+		kempld_release_mutex(pld);
+
+		/* Assign available stages to timeout and pretimeout */
+		if (!timeout_stage->mask) {
+			timeout_stage->mask = mask;
+			timeout_stage->id = i;
+		} else {
+			if (pld->feature_mask & KEMPLD_FEATURE_BIT_NMI) {
+				pretimeout_stage->mask = timeout_stage->mask;
+				timeout_stage->mask = mask;
+				pretimeout_stage->id = timeout_stage->id;
+				timeout_stage->id = i;
+			}
+			break;
+		}
+	}
+
+	if (!timeout_stage->mask)
+		return -ENODEV;
+
+	return 0;
+}
+
+static struct watchdog_info kempld_wdt_info = {
+	.identity	= "KEMPLD Watchdog",
+	.options	= WDIOF_SETTIMEOUT |
+			WDIOF_KEEPALIVEPING |
+			WDIOF_MAGICCLOSE |
+			WDIOF_PRETIMEOUT
+};
+
+static struct watchdog_ops kempld_wdt_ops = {
+	.owner		= THIS_MODULE,
+	.start		= kempld_wdt_start,
+	.stop		= kempld_wdt_stop,
+	.ping		= kempld_wdt_keepalive,
+	.set_timeout	= kempld_wdt_set_timeout,
+	.ioctl		= kempld_wdt_ioctl,
+};
+
+static int kempld_wdt_probe(struct platform_device *pdev)
+{
+	struct kempld_device_data *pld = dev_get_drvdata(pdev->dev.parent);
+	struct kempld_wdt_data *wdt_data;
+	struct device *dev = &pdev->dev;
+	struct watchdog_device *wdd;
+	u8 status;
+	int ret = 0;
+
+	wdt_data = devm_kzalloc(dev, sizeof(*wdt_data), GFP_KERNEL);
+	if (!wdt_data)
+		return -ENOMEM;
+
+	wdt_data->pld = pld;
+	wdd = &wdt_data->wdd;
+	wdd->parent = dev;
+
+	kempld_get_mutex(pld);
+	status = kempld_read8(pld, KEMPLD_WDT_CFG);
+	kempld_release_mutex(pld);
+
+	/* Enable nowayout if watchdog is already locked */
+	if (status & (KEMPLD_WDT_CFG_ENABLE_LOCK |
+			KEMPLD_WDT_CFG_GLOBAL_LOCK)) {
+		if (!nowayout)
+			dev_warn(dev,
+				"Forcing nowayout - watchdog lock enabled!\n");
+		nowayout = true;
+	}
+
+	wdd->info = &kempld_wdt_info;
+	wdd->ops = &kempld_wdt_ops;
+
+	watchdog_set_drvdata(wdd, wdt_data);
+	watchdog_set_nowayout(wdd, nowayout);
+
+	ret = kempld_wdt_probe_stages(wdd);
+	if (ret)
+		return ret;
+
+	kempld_wdt_set_timeout(wdd, timeout);
+	kempld_wdt_set_pretimeout(wdd, pretimeout);
+
+	/* Check if watchdog is already enabled */
+	if (status & KEMPLD_WDT_CFG_ENABLE) {
+		/* Get current watchdog settings */
+		kempld_wdt_update_timeouts(wdt_data);
+		dev_info(dev, "Watchdog was already enabled\n");
+	}
+
+	platform_set_drvdata(pdev, wdt_data);
+	ret = watchdog_register_device(wdd);
+	if (ret)
+		return ret;
+
+	dev_info(dev, "Watchdog registered with %ds timeout\n", wdd->timeout);
+
+	return 0;
+}
+
+static void kempld_wdt_shutdown(struct platform_device *pdev)
+{
+	struct kempld_wdt_data *wdt_data = platform_get_drvdata(pdev);
+
+	kempld_wdt_stop(&wdt_data->wdd);
+}
+
+static int kempld_wdt_remove(struct platform_device *pdev)
+{
+	struct kempld_wdt_data *wdt_data = platform_get_drvdata(pdev);
+	struct watchdog_device *wdd = &wdt_data->wdd;
+	int ret = 0;
+
+	if (!nowayout)
+		ret = kempld_wdt_stop(wdd);
+	watchdog_unregister_device(wdd);
+
+	return ret;
+}
+
+#ifdef CONFIG_PM
+/* Disable watchdog if it is active during suspend */
+static int kempld_wdt_suspend(struct platform_device *pdev,
+				pm_message_t message)
+{
+	struct kempld_wdt_data *wdt_data = platform_get_drvdata(pdev);
+	struct kempld_device_data *pld = wdt_data->pld;
+	struct watchdog_device *wdd = &wdt_data->wdd;
+
+	kempld_get_mutex(pld);
+	wdt_data->pm_status_store = kempld_read8(pld, KEMPLD_WDT_CFG);
+	kempld_release_mutex(pld);
+
+	kempld_wdt_update_timeouts(wdt_data);
+
+	if (wdt_data->pm_status_store & KEMPLD_WDT_CFG_ENABLE)
+		return kempld_wdt_stop(wdd);
+
+	return 0;
+}
+
+/* Enable watchdog and configure it if necessary */
+static int kempld_wdt_resume(struct platform_device *pdev)
+{
+	struct kempld_wdt_data *wdt_data = platform_get_drvdata(pdev);
+	struct watchdog_device *wdd = &wdt_data->wdd;
+
+	/*
+	 * If watchdog was stopped before suspend be sure it gets disabled
+	 * again, for the case BIOS has enabled it during resume
+	 */
+	if (wdt_data->pm_status_store & KEMPLD_WDT_CFG_ENABLE)
+		return kempld_wdt_start(wdd);
+	else
+		return kempld_wdt_stop(wdd);
+}
+#else
+#define kempld_wdt_suspend	NULL
+#define kempld_wdt_resume	NULL
+#endif
+
+static struct platform_driver kempld_wdt_driver = {
+	.driver		= {
+		.name	= "kempld-wdt",
+		.owner	= THIS_MODULE,
+	},
+	.probe		= kempld_wdt_probe,
+	.remove		= kempld_wdt_remove,
+	.shutdown	= kempld_wdt_shutdown,
+	.suspend	= kempld_wdt_suspend,
+	.resume		= kempld_wdt_resume,
+};
+
+module_platform_driver(kempld_wdt_driver);
+
+MODULE_DESCRIPTION("KEM PLD Watchdog Driver");
+MODULE_AUTHOR("Michael Brunner <michael.brunner@kontron.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/watchdog/ks8695_wdt.c b/drivers/watchdog/ks8695_wdt.c
index dce9ecf..40ca559 100644
--- a/drivers/watchdog/ks8695_wdt.c
+++ b/drivers/watchdog/ks8695_wdt.c
@@ -323,5 +323,4 @@ module_exit(ks8695_wdt_exit);
 MODULE_AUTHOR("Andrew Victor");
 MODULE_DESCRIPTION("Watchdog driver for KS8695");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:ks8695_wdt");
diff --git a/drivers/watchdog/lantiq_wdt.c b/drivers/watchdog/lantiq_wdt.c
index 088fd0c..3b3148c 100644
--- a/drivers/watchdog/lantiq_wdt.c
+++ b/drivers/watchdog/lantiq_wdt.c
@@ -249,4 +249,3 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
 MODULE_AUTHOR("John Crispin <blogic@openwrt.org>");
 MODULE_DESCRIPTION("Lantiq SoC Watchdog");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/m54xx_wdt.c b/drivers/watchdog/m54xx_wdt.c
index 173494a..da6fa2b 100644
--- a/drivers/watchdog/m54xx_wdt.c
+++ b/drivers/watchdog/m54xx_wdt.c
@@ -223,4 +223,3 @@ module_param(nowayout, bool, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
index bf84f78..9826b59 100644
--- a/drivers/watchdog/machzwd.c
+++ b/drivers/watchdog/machzwd.c
@@ -92,7 +92,6 @@ static unsigned short zf_readw(unsigned char port)
 MODULE_AUTHOR("Fernando Fuganti <fuganti@conectiva.com.br>");
 MODULE_DESCRIPTION("MachZ ZF-Logic Watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 static bool nowayout = WATCHDOG_NOWAYOUT;
 module_param(nowayout, bool, 0);
diff --git a/drivers/watchdog/max63xx_wdt.c b/drivers/watchdog/max63xx_wdt.c
index cc9d328..6d4f399 100644
--- a/drivers/watchdog/max63xx_wdt.c
+++ b/drivers/watchdog/max63xx_wdt.c
@@ -258,4 +258,3 @@ MODULE_PARM_DESC(nodelay,
 		 "(max6373/74 only, default=0)");
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/mena21_wdt.c b/drivers/watchdog/mena21_wdt.c
new file mode 100644
index 0000000..96dbba9
--- /dev/null
+++ b/drivers/watchdog/mena21_wdt.c
@@ -0,0 +1,270 @@
+/*
+ * Watchdog driver for the A21 VME CPU Boards
+ *
+ * Copyright (C) 2013 MEN Mikro Elektronik Nuernberg GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation
+ */
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/uaccess.h>
+#include <linux/gpio.h>
+#include <linux/of_gpio.h>
+#include <linux/delay.h>
+#include <linux/bitops.h>
+
+#define NUM_GPIOS 6
+
+enum a21_wdt_gpios {
+	GPIO_WD_ENAB,
+	GPIO_WD_FAST,
+	GPIO_WD_TRIG,
+	GPIO_WD_RST0,
+	GPIO_WD_RST1,
+	GPIO_WD_RST2,
+};
+
+struct a21_wdt_drv {
+	struct watchdog_device wdt;
+	struct mutex lock;
+	unsigned gpios[NUM_GPIOS];
+};
+
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+			    __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+static unsigned int a21_wdt_get_bootstatus(struct a21_wdt_drv *drv)
+{
+	int reset = 0;
+
+	reset |= gpio_get_value(drv->gpios[GPIO_WD_RST0]) ? (1 << 0) : 0;
+	reset |= gpio_get_value(drv->gpios[GPIO_WD_RST1]) ? (1 << 1) : 0;
+	reset |= gpio_get_value(drv->gpios[GPIO_WD_RST2]) ? (1 << 2) : 0;
+
+	return reset;
+}
+
+static int a21_wdt_start(struct watchdog_device *wdt)
+{
+	struct a21_wdt_drv *drv = watchdog_get_drvdata(wdt);
+
+	mutex_lock(&drv->lock);
+
+	gpio_set_value(drv->gpios[GPIO_WD_ENAB], 1);
+
+	mutex_unlock(&drv->lock);
+
+	return 0;
+}
+
+static int a21_wdt_stop(struct watchdog_device *wdt)
+{
+	struct a21_wdt_drv *drv = watchdog_get_drvdata(wdt);
+
+	mutex_lock(&drv->lock);
+
+	gpio_set_value(drv->gpios[GPIO_WD_ENAB], 0);
+
+	mutex_unlock(&drv->lock);
+
+	return 0;
+}
+
+static int a21_wdt_ping(struct watchdog_device *wdt)
+{
+	struct a21_wdt_drv *drv = watchdog_get_drvdata(wdt);
+
+	mutex_lock(&drv->lock);
+
+	gpio_set_value(drv->gpios[GPIO_WD_TRIG], 0);
+	ndelay(10);
+	gpio_set_value(drv->gpios[GPIO_WD_TRIG], 1);
+
+	mutex_unlock(&drv->lock);
+
+	return 0;
+}
+
+static int a21_wdt_set_timeout(struct watchdog_device *wdt,
+			       unsigned int timeout)
+{
+	struct a21_wdt_drv *drv = watchdog_get_drvdata(wdt);
+
+	if (timeout != 1 && timeout != 30) {
+		dev_err(wdt->dev, "Only 1 and 30 allowed as timeout\n");
+		return -EINVAL;
+	}
+
+	if (timeout == 30 && wdt->timeout == 1) {
+		dev_err(wdt->dev,
+			"Transition from fast to slow mode not allowed\n");
+		return -EINVAL;
+	}
+
+	mutex_lock(&drv->lock);
+
+	if (timeout == 1)
+		gpio_set_value(drv->gpios[GPIO_WD_FAST], 1);
+	else
+		gpio_set_value(drv->gpios[GPIO_WD_FAST], 0);
+
+	wdt->timeout = timeout;
+
+	mutex_unlock(&drv->lock);
+
+	return 0;
+}
+
+static const struct watchdog_info a21_wdt_info = {
+	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
+	.identity = "MEN A21 Watchdog",
+};
+
+static const struct watchdog_ops a21_wdt_ops = {
+	.owner = THIS_MODULE,
+	.start = a21_wdt_start,
+	.stop = a21_wdt_stop,
+	.ping = a21_wdt_ping,
+	.set_timeout = a21_wdt_set_timeout,
+};
+
+static struct watchdog_device a21_wdt = {
+	.info = &a21_wdt_info,
+	.ops = &a21_wdt_ops,
+	.min_timeout = 1,
+	.max_timeout = 30,
+};
+
+static int a21_wdt_probe(struct platform_device *pdev)
+{
+	struct device_node *node;
+	struct a21_wdt_drv *drv;
+	unsigned int reset = 0;
+	int num_gpios;
+	int ret;
+	int i;
+
+	drv = devm_kzalloc(&pdev->dev, sizeof(struct a21_wdt_drv), GFP_KERNEL);
+	if (!drv)
+		return -ENOMEM;
+
+	/* Fill GPIO pin array */
+	node = pdev->dev.of_node;
+
+	num_gpios = of_gpio_count(node);
+	if (num_gpios != NUM_GPIOS) {
+		dev_err(&pdev->dev, "gpios DT property wrong, got %d want %d",
+			num_gpios, NUM_GPIOS);
+		return -ENODEV;
+	}
+
+	for (i = 0; i < num_gpios; i++) {
+		int val;
+
+		val = of_get_gpio(node, i);
+		if (val < 0)
+			return val;
+
+		drv->gpios[i] = val;
+	}
+
+	/* Request the used GPIOs */
+	for (i = 0; i < num_gpios; i++) {
+		ret = devm_gpio_request(&pdev->dev, drv->gpios[i],
+					"MEN A21 Watchdog");
+		if (ret)
+			return ret;
+
+		if (i < GPIO_WD_RST0)
+			ret = gpio_direction_output(drv->gpios[i],
+						gpio_get_value(drv->gpios[i]));
+		else		/* GPIO_WD_RST[0..2] are inputs */
+			ret = gpio_direction_input(drv->gpios[i]);
+		if (ret)
+			return ret;
+	}
+
+	mutex_init(&drv->lock);
+	watchdog_init_timeout(&a21_wdt, 30, &pdev->dev);
+	watchdog_set_nowayout(&a21_wdt, nowayout);
+	watchdog_set_drvdata(&a21_wdt, drv);
+
+	reset = a21_wdt_get_bootstatus(drv);
+	if (reset == 2)
+		a21_wdt.bootstatus |= WDIOF_EXTERN1;
+	else if (reset == 4)
+		a21_wdt.bootstatus |= WDIOF_CARDRESET;
+	else if (reset == 5)
+		a21_wdt.bootstatus |= WDIOF_POWERUNDER;
+	else if (reset == 7)
+		a21_wdt.bootstatus |= WDIOF_EXTERN2;
+
+	ret = watchdog_register_device(&a21_wdt);
+	if (ret) {
+		dev_err(&pdev->dev, "Cannot register watchdog device\n");
+		goto err_register_wd;
+	}
+
+	dev_set_drvdata(&pdev->dev, drv);
+
+	dev_info(&pdev->dev, "MEN A21 watchdog timer driver enabled\n");
+
+	return 0;
+
+err_register_wd:
+	mutex_destroy(&drv->lock);
+
+	return ret;
+}
+
+static int a21_wdt_remove(struct platform_device *pdev)
+{
+	struct a21_wdt_drv *drv = dev_get_drvdata(&pdev->dev);
+
+	dev_warn(&pdev->dev,
+		"Unregistering A21 watchdog driver, board may reboot\n");
+
+	watchdog_unregister_device(&drv->wdt);
+
+	mutex_destroy(&drv->lock);
+
+	return 0;
+}
+
+static void a21_wdt_shutdown(struct platform_device *pdev)
+{
+	struct a21_wdt_drv *drv = dev_get_drvdata(&pdev->dev);
+
+	gpio_set_value(drv->gpios[GPIO_WD_ENAB], 0);
+}
+
+static const struct of_device_id a21_wdt_ids[] = {
+	{ .compatible = "men,a021-wdt" },
+	{ },
+};
+
+static struct platform_driver a21_wdt_driver = {
+	.probe = a21_wdt_probe,
+	.remove = a21_wdt_remove,
+	.shutdown = a21_wdt_shutdown,
+	.driver = {
+		.name = "a21-watchdog",
+		.of_match_table = a21_wdt_ids,
+	},
+};
+
+module_platform_driver(a21_wdt_driver);
+
+MODULE_AUTHOR("MEN Mikro Elektronik");
+MODULE_DESCRIPTION("MEN A21 Watchdog");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:a21-watchdog");
diff --git a/drivers/watchdog/mixcomwd.c b/drivers/watchdog/mixcomwd.c
index 97d62ee..be86ea3 100644
--- a/drivers/watchdog/mixcomwd.c
+++ b/drivers/watchdog/mixcomwd.c
@@ -315,4 +315,3 @@ MODULE_AUTHOR("Gergely Madarasz <gorgo@itc.hu>");
 MODULE_DESCRIPTION("MixCom Watchdog driver");
 MODULE_VERSION(VERSION);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/moxart_wdt.c b/drivers/watchdog/moxart_wdt.c
new file mode 100644
index 0000000..4166e4d
--- /dev/null
+++ b/drivers/watchdog/moxart_wdt.c
@@ -0,0 +1,165 @@
+/*
+ * MOXA ART SoCs watchdog driver.
+ *
+ * Copyright (C) 2013 Jonas Jensen
+ *
+ * Jonas Jensen <jonas.jensen@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2.  This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/moduleparam.h>
+
+#define REG_COUNT			0x4
+#define REG_MODE			0x8
+#define REG_ENABLE			0xC
+
+struct moxart_wdt_dev {
+	struct watchdog_device dev;
+	void __iomem *base;
+	unsigned int clock_frequency;
+};
+
+static int heartbeat;
+
+static int moxart_wdt_stop(struct watchdog_device *wdt_dev)
+{
+	struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev);
+
+	writel(0, moxart_wdt->base + REG_ENABLE);
+
+	return 0;
+}
+
+static int moxart_wdt_start(struct watchdog_device *wdt_dev)
+{
+	struct moxart_wdt_dev *moxart_wdt = watchdog_get_drvdata(wdt_dev);
+
+	writel(moxart_wdt->clock_frequency * wdt_dev->timeout,
+	       moxart_wdt->base + REG_COUNT);
+	writel(0x5ab9, moxart_wdt->base + REG_MODE);
+	writel(0x03, moxart_wdt->base + REG_ENABLE);
+
+	return 0;
+}
+
+static int moxart_wdt_set_timeout(struct watchdog_device *wdt_dev,
+				  unsigned int timeout)
+{
+	wdt_dev->timeout = timeout;
+
+	return 0;
+}
+
+static const struct watchdog_info moxart_wdt_info = {
+	.identity       = "moxart-wdt",
+	.options        = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING |
+			  WDIOF_MAGICCLOSE,
+};
+
+static const struct watchdog_ops moxart_wdt_ops = {
+	.owner          = THIS_MODULE,
+	.start          = moxart_wdt_start,
+	.stop           = moxart_wdt_stop,
+	.set_timeout    = moxart_wdt_set_timeout,
+};
+
+static int moxart_wdt_probe(struct platform_device *pdev)
+{
+	struct moxart_wdt_dev *moxart_wdt;
+	struct device *dev = &pdev->dev;
+	struct device_node *node = dev->of_node;
+	struct resource *res;
+	struct clk *clk;
+	int err;
+	unsigned int max_timeout;
+	bool nowayout = WATCHDOG_NOWAYOUT;
+
+	moxart_wdt = devm_kzalloc(dev, sizeof(*moxart_wdt), GFP_KERNEL);
+	if (!moxart_wdt)
+		return -ENOMEM;
+
+	platform_set_drvdata(pdev, moxart_wdt);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	moxart_wdt->base = devm_ioremap_resource(dev, res);
+	if (IS_ERR(moxart_wdt->base))
+		return PTR_ERR(moxart_wdt->base);
+
+	clk = of_clk_get(node, 0);
+	if (IS_ERR(clk)) {
+		pr_err("%s: of_clk_get failed\n", __func__);
+		return PTR_ERR(clk);
+	}
+
+	moxart_wdt->clock_frequency = clk_get_rate(clk);
+	if (moxart_wdt->clock_frequency == 0) {
+		pr_err("%s: incorrect clock frequency\n", __func__);
+		return -EINVAL;
+	}
+
+	max_timeout = UINT_MAX / moxart_wdt->clock_frequency;
+
+	moxart_wdt->dev.info = &moxart_wdt_info;
+	moxart_wdt->dev.ops = &moxart_wdt_ops;
+	moxart_wdt->dev.timeout = max_timeout;
+	moxart_wdt->dev.min_timeout = 1;
+	moxart_wdt->dev.max_timeout = max_timeout;
+	moxart_wdt->dev.parent = dev;
+
+	watchdog_init_timeout(&moxart_wdt->dev, heartbeat, dev);
+	watchdog_set_nowayout(&moxart_wdt->dev, nowayout);
+
+	watchdog_set_drvdata(&moxart_wdt->dev, moxart_wdt);
+
+	err = watchdog_register_device(&moxart_wdt->dev);
+	if (err)
+		return err;
+
+	dev_dbg(dev, "Watchdog enabled (heartbeat=%d sec, nowayout=%d)\n",
+		moxart_wdt->dev.timeout, nowayout);
+
+	return 0;
+}
+
+static int moxart_wdt_remove(struct platform_device *pdev)
+{
+	struct moxart_wdt_dev *moxart_wdt = platform_get_drvdata(pdev);
+
+	moxart_wdt_stop(&moxart_wdt->dev);
+	watchdog_unregister_device(&moxart_wdt->dev);
+
+	return 0;
+}
+
+static const struct of_device_id moxart_watchdog_match[] = {
+	{ .compatible = "moxa,moxart-watchdog" },
+	{ },
+};
+
+static struct platform_driver moxart_wdt_driver = {
+	.probe      = moxart_wdt_probe,
+	.remove     = moxart_wdt_remove,
+	.driver     = {
+		.name		= "moxart-watchdog",
+		.owner		= THIS_MODULE,
+		.of_match_table	= moxart_watchdog_match,
+	},
+};
+module_platform_driver(moxart_wdt_driver);
+
+module_param(heartbeat, int, 0);
+MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat in seconds");
+
+MODULE_DESCRIPTION("MOXART watchdog driver");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Jonas Jensen <jonas.jensen@gmail.com>");
diff --git a/drivers/watchdog/mpc8xxx_wdt.c b/drivers/watchdog/mpc8xxx_wdt.c
index da27520..d821520 100644
--- a/drivers/watchdog/mpc8xxx_wdt.c
+++ b/drivers/watchdog/mpc8xxx_wdt.c
@@ -24,6 +24,7 @@
 #include <linux/kernel.h>
 #include <linux/timer.h>
 #include <linux/miscdevice.h>
+#include <linux/of_address.h>
 #include <linux/of_platform.h>
 #include <linux/module.h>
 #include <linux/watchdog.h>
@@ -329,4 +330,3 @@ MODULE_AUTHOR("Dave Updegraff, Kumar Gala");
 MODULE_DESCRIPTION("Driver for watchdog timer in MPC8xx/MPC83xx/MPC86xx "
 		   "uProcessors");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c
deleted file mode 100644
index 233cfad..0000000
--- a/drivers/watchdog/mpcore_wdt.c
+++ /dev/null
@@ -1,456 +0,0 @@
-/*
- *	Watchdog driver for the mpcore watchdog timer
- *
- *	(c) Copyright 2004 ARM Limited
- *
- *	Based on the SoftDog driver:
- *	(c) Copyright 1996 Alan Cox <alan@lxorguk.ukuu.org.uk>,
- *						All Rights Reserved.
- *
- *	This program is free software; you can redistribute it and/or
- *	modify it under the terms of the GNU General Public License
- *	as published by the Free Software Foundation; either version
- *	2 of the License, or (at your option) any later version.
- *
- *	Neither Alan Cox nor CymruNet Ltd. admit liability nor provide
- *	warranty for any of this software. This material is provided
- *	"AS-IS" and at no charge.
- *
- *	(c) Copyright 1995    Alan Cox <alan@lxorguk.ukuu.org.uk>
- *
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/types.h>
-#include <linux/miscdevice.h>
-#include <linux/watchdog.h>
-#include <linux/fs.h>
-#include <linux/reboot.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/platform_device.h>
-#include <linux/uaccess.h>
-#include <linux/slab.h>
-#include <linux/io.h>
-
-#include <asm/smp_twd.h>
-
-struct mpcore_wdt {
-	unsigned long	timer_alive;
-	struct device	*dev;
-	void __iomem	*base;
-	int		irq;
-	unsigned int	perturb;
-	char		expect_close;
-};
-
-static struct platform_device *mpcore_wdt_pdev;
-static DEFINE_SPINLOCK(wdt_lock);
-
-#define TIMER_MARGIN	60
-static int mpcore_margin = TIMER_MARGIN;
-module_param(mpcore_margin, int, 0);
-MODULE_PARM_DESC(mpcore_margin,
-	"MPcore timer margin in seconds. (0 < mpcore_margin < 65536, default="
-				__MODULE_STRING(TIMER_MARGIN) ")");
-
-static bool nowayout = WATCHDOG_NOWAYOUT;
-module_param(nowayout, bool, 0);
-MODULE_PARM_DESC(nowayout,
-	"Watchdog cannot be stopped once started (default="
-				__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
-
-#define ONLY_TESTING	0
-static int mpcore_noboot = ONLY_TESTING;
-module_param(mpcore_noboot, int, 0);
-MODULE_PARM_DESC(mpcore_noboot, "MPcore watchdog action, "
-	"set to 1 to ignore reboots, 0 to reboot (default="
-					__MODULE_STRING(ONLY_TESTING) ")");
-
-/*
- *	This is the interrupt handler.  Note that we only use this
- *	in testing mode, so don't actually do a reboot here.
- */
-static irqreturn_t mpcore_wdt_fire(int irq, void *arg)
-{
-	struct mpcore_wdt *wdt = arg;
-
-	/* Check it really was our interrupt */
-	if (readl(wdt->base + TWD_WDOG_INTSTAT)) {
-		dev_crit(wdt->dev, "Triggered - Reboot ignored\n");
-		/* Clear the interrupt on the watchdog */
-		writel(1, wdt->base + TWD_WDOG_INTSTAT);
-		return IRQ_HANDLED;
-	}
-	return IRQ_NONE;
-}
-
-/*
- *	mpcore_wdt_keepalive - reload the timer
- *
- *	Note that the spec says a DIFFERENT value must be written to the reload
- *	register each time.  The "perturb" variable deals with this by adding 1
- *	to the count every other time the function is called.
- */
-static void mpcore_wdt_keepalive(struct mpcore_wdt *wdt)
-{
-	unsigned long count;
-
-	spin_lock(&wdt_lock);
-	/* Assume prescale is set to 256 */
-	count =  __raw_readl(wdt->base + TWD_WDOG_COUNTER);
-	count = (0xFFFFFFFFU - count) * (HZ / 5);
-	count = (count / 256) * mpcore_margin;
-
-	/* Reload the counter */
-	writel(count + wdt->perturb, wdt->base + TWD_WDOG_LOAD);
-	wdt->perturb = wdt->perturb ? 0 : 1;
-	spin_unlock(&wdt_lock);
-}
-
-static void mpcore_wdt_stop(struct mpcore_wdt *wdt)
-{
-	spin_lock(&wdt_lock);
-	writel(0x12345678, wdt->base + TWD_WDOG_DISABLE);
-	writel(0x87654321, wdt->base + TWD_WDOG_DISABLE);
-	writel(0x0, wdt->base + TWD_WDOG_CONTROL);
-	spin_unlock(&wdt_lock);
-}
-
-static void mpcore_wdt_start(struct mpcore_wdt *wdt)
-{
-	dev_info(wdt->dev, "enabling watchdog\n");
-
-	/* This loads the count register but does NOT start the count yet */
-	mpcore_wdt_keepalive(wdt);
-
-	if (mpcore_noboot) {
-		/* Enable watchdog - prescale=256, watchdog mode=0, enable=1 */
-		writel(0x0000FF01, wdt->base + TWD_WDOG_CONTROL);
-	} else {
-		/* Enable watchdog - prescale=256, watchdog mode=1, enable=1 */
-		writel(0x0000FF09, wdt->base + TWD_WDOG_CONTROL);
-	}
-}
-
-static int mpcore_wdt_set_heartbeat(int t)
-{
-	if (t < 0x0001 || t > 0xFFFF)
-		return -EINVAL;
-
-	mpcore_margin = t;
-	return 0;
-}
-
-/*
- *	/dev/watchdog handling
- */
-static int mpcore_wdt_open(struct inode *inode, struct file *file)
-{
-	struct mpcore_wdt *wdt = platform_get_drvdata(mpcore_wdt_pdev);
-
-	if (test_and_set_bit(0, &wdt->timer_alive))
-		return -EBUSY;
-
-	if (nowayout)
-		__module_get(THIS_MODULE);
-
-	file->private_data = wdt;
-
-	/*
-	 *	Activate timer
-	 */
-	mpcore_wdt_start(wdt);
-
-	return nonseekable_open(inode, file);
-}
-
-static int mpcore_wdt_release(struct inode *inode, struct file *file)
-{
-	struct mpcore_wdt *wdt = file->private_data;
-
-	/*
-	 *	Shut off the timer.
-	 *	Lock it in if it's a module and we set nowayout
-	 */
-	if (wdt->expect_close == 42)
-		mpcore_wdt_stop(wdt);
-	else {
-		dev_crit(wdt->dev,
-			 "unexpected close, not stopping watchdog!\n");
-		mpcore_wdt_keepalive(wdt);
-	}
-	clear_bit(0, &wdt->timer_alive);
-	wdt->expect_close = 0;
-	return 0;
-}
-
-static ssize_t mpcore_wdt_write(struct file *file, const char *data,
-						size_t len, loff_t *ppos)
-{
-	struct mpcore_wdt *wdt = file->private_data;
-
-	/*
-	 *	Refresh the timer.
-	 */
-	if (len) {
-		if (!nowayout) {
-			size_t i;
-
-			/* In case it was set long ago */
-			wdt->expect_close = 0;
-
-			for (i = 0; i != len; i++) {
-				char c;
-
-				if (get_user(c, data + i))
-					return -EFAULT;
-				if (c == 'V')
-					wdt->expect_close = 42;
-			}
-		}
-		mpcore_wdt_keepalive(wdt);
-	}
-	return len;
-}
-
-static const struct watchdog_info ident = {
-	.options		= WDIOF_SETTIMEOUT |
-				  WDIOF_KEEPALIVEPING |
-				  WDIOF_MAGICCLOSE,
-	.identity		= "MPcore Watchdog",
-};
-
-static long mpcore_wdt_ioctl(struct file *file, unsigned int cmd,
-							unsigned long arg)
-{
-	struct mpcore_wdt *wdt = file->private_data;
-	int ret;
-	union {
-		struct watchdog_info ident;
-		int i;
-	} uarg;
-
-	if (_IOC_DIR(cmd) && _IOC_SIZE(cmd) > sizeof(uarg))
-		return -ENOTTY;
-
-	if (_IOC_DIR(cmd) & _IOC_WRITE) {
-		ret = copy_from_user(&uarg, (void __user *)arg, _IOC_SIZE(cmd));
-		if (ret)
-			return -EFAULT;
-	}
-
-	switch (cmd) {
-	case WDIOC_GETSUPPORT:
-		uarg.ident = ident;
-		ret = 0;
-		break;
-
-	case WDIOC_GETSTATUS:
-	case WDIOC_GETBOOTSTATUS:
-		uarg.i = 0;
-		ret = 0;
-		break;
-
-	case WDIOC_SETOPTIONS:
-		ret = -EINVAL;
-		if (uarg.i & WDIOS_DISABLECARD) {
-			mpcore_wdt_stop(wdt);
-			ret = 0;
-		}
-		if (uarg.i & WDIOS_ENABLECARD) {
-			mpcore_wdt_start(wdt);
-			ret = 0;
-		}
-		break;
-
-	case WDIOC_KEEPALIVE:
-		mpcore_wdt_keepalive(wdt);
-		ret = 0;
-		break;
-
-	case WDIOC_SETTIMEOUT:
-		ret = mpcore_wdt_set_heartbeat(uarg.i);
-		if (ret)
-			break;
-
-		mpcore_wdt_keepalive(wdt);
-		/* Fall */
-	case WDIOC_GETTIMEOUT:
-		uarg.i = mpcore_margin;
-		ret = 0;
-		break;
-
-	default:
-		return -ENOTTY;
-	}
-
-	if (ret == 0 && _IOC_DIR(cmd) & _IOC_READ) {
-		ret = copy_to_user((void __user *)arg, &uarg, _IOC_SIZE(cmd));
-		if (ret)
-			ret = -EFAULT;
-	}
-	return ret;
-}
-
-/*
- *	System shutdown handler.  Turn off the watchdog if we're
- *	restarting or halting the system.
- */
-static void mpcore_wdt_shutdown(struct platform_device *pdev)
-{
-	struct mpcore_wdt *wdt = platform_get_drvdata(pdev);
-
-	if (system_state == SYSTEM_RESTART || system_state == SYSTEM_HALT)
-		mpcore_wdt_stop(wdt);
-}
-
-/*
- *	Kernel Interfaces
- */
-static const struct file_operations mpcore_wdt_fops = {
-	.owner		= THIS_MODULE,
-	.llseek		= no_llseek,
-	.write		= mpcore_wdt_write,
-	.unlocked_ioctl	= mpcore_wdt_ioctl,
-	.open		= mpcore_wdt_open,
-	.release	= mpcore_wdt_release,
-};
-
-static struct miscdevice mpcore_wdt_miscdev = {
-	.minor		= WATCHDOG_MINOR,
-	.name		= "watchdog",
-	.fops		= &mpcore_wdt_fops,
-};
-
-static int mpcore_wdt_probe(struct platform_device *pdev)
-{
-	struct mpcore_wdt *wdt;
-	struct resource *res;
-	int ret;
-
-	/* We only accept one device, and it must have an id of -1 */
-	if (pdev->id != -1)
-		return -ENODEV;
-
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!res)
-		return -ENODEV;
-
-	wdt = devm_kzalloc(&pdev->dev, sizeof(struct mpcore_wdt), GFP_KERNEL);
-	if (!wdt)
-		return -ENOMEM;
-
-	wdt->dev = &pdev->dev;
-	wdt->irq = platform_get_irq(pdev, 0);
-	if (wdt->irq >= 0) {
-		ret = devm_request_irq(wdt->dev, wdt->irq, mpcore_wdt_fire, 0,
-				"mpcore_wdt", wdt);
-		if (ret) {
-			dev_err(wdt->dev,
-				"cannot register IRQ%d for watchdog\n",
-				wdt->irq);
-			return ret;
-		}
-	}
-
-	wdt->base = devm_ioremap(wdt->dev, res->start, resource_size(res));
-	if (!wdt->base)
-		return -ENOMEM;
-
-	mpcore_wdt_miscdev.parent = &pdev->dev;
-	ret = misc_register(&mpcore_wdt_miscdev);
-	if (ret) {
-		dev_err(wdt->dev,
-			"cannot register miscdev on minor=%d (err=%d)\n",
-			WATCHDOG_MINOR, ret);
-		return ret;
-	}
-
-	mpcore_wdt_stop(wdt);
-	platform_set_drvdata(pdev, wdt);
-	mpcore_wdt_pdev = pdev;
-
-	return 0;
-}
-
-static int mpcore_wdt_remove(struct platform_device *pdev)
-{
-	platform_set_drvdata(pdev, NULL);
-
-	misc_deregister(&mpcore_wdt_miscdev);
-
-	mpcore_wdt_pdev = NULL;
-
-	return 0;
-}
-
-#ifdef CONFIG_PM
-static int mpcore_wdt_suspend(struct platform_device *pdev, pm_message_t msg)
-{
-	struct mpcore_wdt *wdt = platform_get_drvdata(pdev);
-	mpcore_wdt_stop(wdt);		/* Turn the WDT off */
-	return 0;
-}
-
-static int mpcore_wdt_resume(struct platform_device *pdev)
-{
-	struct mpcore_wdt *wdt = platform_get_drvdata(pdev);
-	/* re-activate timer */
-	if (test_bit(0, &wdt->timer_alive))
-		mpcore_wdt_start(wdt);
-	return 0;
-}
-#else
-#define mpcore_wdt_suspend	NULL
-#define mpcore_wdt_resume	NULL
-#endif
-
-/* work with hotplug and coldplug */
-MODULE_ALIAS("platform:mpcore_wdt");
-
-static struct platform_driver mpcore_wdt_driver = {
-	.probe		= mpcore_wdt_probe,
-	.remove		= mpcore_wdt_remove,
-	.suspend	= mpcore_wdt_suspend,
-	.resume		= mpcore_wdt_resume,
-	.shutdown	= mpcore_wdt_shutdown,
-	.driver		= {
-		.owner	= THIS_MODULE,
-		.name	= "mpcore_wdt",
-	},
-};
-
-static int __init mpcore_wdt_init(void)
-{
-	/*
-	 * Check that the margin value is within it's range;
-	 * if not reset to the default
-	 */
-	if (mpcore_wdt_set_heartbeat(mpcore_margin)) {
-		mpcore_wdt_set_heartbeat(TIMER_MARGIN);
-		pr_info("mpcore_margin value must be 0 < mpcore_margin < 65536, using %d\n",
-			TIMER_MARGIN);
-	}
-
-	pr_info("MPcore Watchdog Timer: 0.1. mpcore_noboot=%d mpcore_margin=%d sec (nowayout= %d)\n",
-		mpcore_noboot, mpcore_margin, nowayout);
-
-	return platform_driver_register(&mpcore_wdt_driver);
-}
-
-static void __exit mpcore_wdt_exit(void)
-{
-	platform_driver_unregister(&mpcore_wdt_driver);
-}
-
-module_init(mpcore_wdt_init);
-module_exit(mpcore_wdt_exit);
-
-MODULE_AUTHOR("ARM Limited");
-MODULE_DESCRIPTION("MPcore Watchdog Device Driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/mtx-1_wdt.c b/drivers/watchdog/mtx-1_wdt.c
index 14dab6f..edb31ff 100644
--- a/drivers/watchdog/mtx-1_wdt.c
+++ b/drivers/watchdog/mtx-1_wdt.c
@@ -209,7 +209,7 @@ static int mtx1_wdt_probe(struct platform_device *pdev)
 	int ret;
 
 	mtx1_wdt_device.gpio = pdev->resource[0].start;
-	ret = gpio_request_one(mtx1_wdt_device.gpio,
+	ret = devm_gpio_request_one(&pdev->dev, mtx1_wdt_device.gpio,
 				GPIOF_OUT_INIT_HIGH, "mtx1-wdt");
 	if (ret < 0) {
 		dev_err(&pdev->dev, "failed to request gpio");
@@ -241,7 +241,6 @@ static int mtx1_wdt_remove(struct platform_device *pdev)
 		wait_for_completion(&mtx1_wdt_device.stop);
 	}
 
-	gpio_free(mtx1_wdt_device.gpio);
 	misc_deregister(&mtx1_wdt_misc);
 	return 0;
 }
@@ -258,5 +257,4 @@ module_platform_driver(mtx1_wdt_driver);
 MODULE_AUTHOR("Michael Stickel, Florian Fainelli");
 MODULE_DESCRIPTION("Driver for the MTX-1 watchdog");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:mtx1-wdt");
diff --git a/drivers/watchdog/mv64x60_wdt.c b/drivers/watchdog/mv64x60_wdt.c
index c7fb878..f9fa584 100644
--- a/drivers/watchdog/mv64x60_wdt.c
+++ b/drivers/watchdog/mv64x60_wdt.c
@@ -255,7 +255,7 @@ static struct miscdevice mv64x60_wdt_miscdev = {
 
 static int mv64x60_wdt_probe(struct platform_device *dev)
 {
-	struct mv64x60_wdt_pdata *pdata = dev->dev.platform_data;
+	struct mv64x60_wdt_pdata *pdata = dev_get_platdata(&dev->dev);
 	struct resource *r;
 	int timeout = 10;
 
@@ -276,7 +276,7 @@ static int mv64x60_wdt_probe(struct platform_device *dev)
 	if (!r)
 		return -ENODEV;
 
-	mv64x60_wdt_regs = ioremap(r->start, resource_size(r));
+	mv64x60_wdt_regs = devm_ioremap(&dev->dev, r->start, resource_size(r));
 	if (mv64x60_wdt_regs == NULL)
 		return -ENOMEM;
 
@@ -293,8 +293,6 @@ static int mv64x60_wdt_remove(struct platform_device *dev)
 
 	mv64x60_wdt_handler_disable();
 
-	iounmap(mv64x60_wdt_regs);
-
 	return 0;
 }
 
@@ -325,5 +323,4 @@ module_exit(mv64x60_wdt_exit);
 MODULE_AUTHOR("James Chapman <jchapman@katalix.com>");
 MODULE_DESCRIPTION("MV64x60 watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:" MV64x60_WDT_NAME);
diff --git a/drivers/watchdog/nuc900_wdt.c b/drivers/watchdog/nuc900_wdt.c
index 04c45a1..a0d893b 100644
--- a/drivers/watchdog/nuc900_wdt.c
+++ b/drivers/watchdog/nuc900_wdt.c
@@ -61,7 +61,6 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
 	"(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
 
 struct nuc900_wdt {
-	struct resource  *res;
 	struct clk	 *wdt_clock;
 	struct platform_device *pdev;
 	void __iomem	 *wdt_base;
@@ -244,9 +243,11 @@ static struct miscdevice nuc900wdt_miscdev = {
 
 static int nuc900wdt_probe(struct platform_device *pdev)
 {
+	struct resource *res;
 	int ret = 0;
 
-	nuc900_wdt = kzalloc(sizeof(struct nuc900_wdt), GFP_KERNEL);
+	nuc900_wdt = devm_kzalloc(&pdev->dev, sizeof(*nuc900_wdt),
+				GFP_KERNEL);
 	if (!nuc900_wdt)
 		return -ENOMEM;
 
@@ -254,33 +255,15 @@ static int nuc900wdt_probe(struct platform_device *pdev)
 
 	spin_lock_init(&nuc900_wdt->wdt_lock);
 
-	nuc900_wdt->res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (nuc900_wdt->res == NULL) {
-		dev_err(&pdev->dev, "no memory resource specified\n");
-		ret = -ENOENT;
-		goto err_get;
-	}
-
-	if (!request_mem_region(nuc900_wdt->res->start,
-				resource_size(nuc900_wdt->res), pdev->name)) {
-		dev_err(&pdev->dev, "failed to get memory region\n");
-		ret = -ENOENT;
-		goto err_get;
-	}
-
-	nuc900_wdt->wdt_base = ioremap(nuc900_wdt->res->start,
-					resource_size(nuc900_wdt->res));
-	if (nuc900_wdt->wdt_base == NULL) {
-		dev_err(&pdev->dev, "failed to ioremap() region\n");
-		ret = -EINVAL;
-		goto err_req;
-	}
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	nuc900_wdt->wdt_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(nuc900_wdt->wdt_base))
+		return PTR_ERR(nuc900_wdt->wdt_base);
 
-	nuc900_wdt->wdt_clock = clk_get(&pdev->dev, NULL);
+	nuc900_wdt->wdt_clock = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(nuc900_wdt->wdt_clock)) {
 		dev_err(&pdev->dev, "failed to find watchdog clock source\n");
-		ret = PTR_ERR(nuc900_wdt->wdt_clock);
-		goto err_map;
+		return PTR_ERR(nuc900_wdt->wdt_clock);
 	}
 
 	clk_enable(nuc900_wdt->wdt_clock);
@@ -298,14 +281,6 @@ static int nuc900wdt_probe(struct platform_device *pdev)
 
 err_clk:
 	clk_disable(nuc900_wdt->wdt_clock);
-	clk_put(nuc900_wdt->wdt_clock);
-err_map:
-	iounmap(nuc900_wdt->wdt_base);
-err_req:
-	release_mem_region(nuc900_wdt->res->start,
-					resource_size(nuc900_wdt->res));
-err_get:
-	kfree(nuc900_wdt);
 	return ret;
 }
 
@@ -314,14 +289,6 @@ static int nuc900wdt_remove(struct platform_device *pdev)
 	misc_deregister(&nuc900wdt_miscdev);
 
 	clk_disable(nuc900_wdt->wdt_clock);
-	clk_put(nuc900_wdt->wdt_clock);
-
-	iounmap(nuc900_wdt->wdt_base);
-
-	release_mem_region(nuc900_wdt->res->start,
-					resource_size(nuc900_wdt->res));
-
-	kfree(nuc900_wdt);
 
 	return 0;
 }
@@ -340,5 +307,4 @@ module_platform_driver(nuc900wdt_driver);
 MODULE_AUTHOR("Wan ZongShun <mcuos.com@gmail.com>");
 MODULE_DESCRIPTION("Watchdog driver for NUC900");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:nuc900-wdt");
diff --git a/drivers/watchdog/nv_tco.c b/drivers/watchdog/nv_tco.c
index 59cf19e..231e5b9 100644
--- a/drivers/watchdog/nv_tco.c
+++ b/drivers/watchdog/nv_tco.c
@@ -513,4 +513,3 @@ module_exit(nv_tco_cleanup_module);
 MODULE_AUTHOR("Mike Waychison");
 MODULE_DESCRIPTION("TCO timer driver for NV chipsets");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index 2761ddb..fb57103 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -1,23 +1,13 @@
 /*
-*   of_xilinx_wdt.c  1.01  A Watchdog Device Driver for Xilinx xps_timebase_wdt
-*
-*   (C) Copyright 2011 (Alejandro Cabrera <aldaya@gmail.com>)
-*
-*       -----------------------
-*
-*   This program is free software; you can redistribute it and/or
-*   modify it under the terms of the GNU General Public License
-*   as published by the Free Software Foundation; either version
-*   2 of the License, or (at your option) any later version.
-*
-*       -----------------------
-*	30-May-2011 Alejandro Cabrera <aldaya@gmail.com>
-*		- If "xlnx,wdt-enable-once" wasn't found on device tree the
-*		  module will use CONFIG_WATCHDOG_NOWAYOUT
-*		- If the device tree parameters ("clock-frequency" and
-*		  "xlnx,wdt-interval") wasn't found the driver won't
-*		  know the wdt reset interval
-*/
+ * Watchdog Device Driver for Xilinx axi/xps_timebase_wdt
+ *
+ * (C) Copyright 2011 (Alejandro Cabrera <aldaya@gmail.com>)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
@@ -394,6 +384,7 @@ static int xwdt_remove(struct platform_device *dev)
 
 /* Match table for of_platform binding */
 static struct of_device_id xwdt_of_match[] = {
+	{ .compatible = "xlnx,xps-timebase-wdt-1.00.a", },
 	{ .compatible = "xlnx,xps-timebase-wdt-1.01.a", },
 	{},
 };
@@ -413,5 +404,4 @@ module_platform_driver(xwdt_driver);
 
 MODULE_AUTHOR("Alejandro Cabrera <aldaya@gmail.com>");
 MODULE_DESCRIPTION("Xilinx Watchdog driver");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c
index af88ffd..09cf013 100644
--- a/drivers/watchdog/omap_wdt.c
+++ b/drivers/watchdog/omap_wdt.c
@@ -68,14 +68,14 @@ static void omap_wdt_reload(struct omap_wdt_dev *wdev)
 	void __iomem    *base = wdev->base;
 
 	/* wait for posted write to complete */
-	while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x08)
+	while ((readl_relaxed(base + OMAP_WATCHDOG_WPS)) & 0x08)
 		cpu_relax();
 
 	wdev->wdt_trgr_pattern = ~wdev->wdt_trgr_pattern;
-	__raw_writel(wdev->wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR));
+	writel_relaxed(wdev->wdt_trgr_pattern, (base + OMAP_WATCHDOG_TGR));
 
 	/* wait for posted write to complete */
-	while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x08)
+	while ((readl_relaxed(base + OMAP_WATCHDOG_WPS)) & 0x08)
 		cpu_relax();
 	/* reloaded WCRR from WLDR */
 }
@@ -85,12 +85,12 @@ static void omap_wdt_enable(struct omap_wdt_dev *wdev)
 	void __iomem *base = wdev->base;
 
 	/* Sequence to enable the watchdog */
-	__raw_writel(0xBBBB, base + OMAP_WATCHDOG_SPR);
-	while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x10)
+	writel_relaxed(0xBBBB, base + OMAP_WATCHDOG_SPR);
+	while ((readl_relaxed(base + OMAP_WATCHDOG_WPS)) & 0x10)
 		cpu_relax();
 
-	__raw_writel(0x4444, base + OMAP_WATCHDOG_SPR);
-	while ((__raw_readl(base + OMAP_WATCHDOG_WPS)) & 0x10)
+	writel_relaxed(0x4444, base + OMAP_WATCHDOG_SPR);
+	while ((readl_relaxed(base + OMAP_WATCHDOG_WPS)) & 0x10)
 		cpu_relax();
 }
 
@@ -99,12 +99,12 @@ static void omap_wdt_disable(struct omap_wdt_dev *wdev)
 	void __iomem *base = wdev->base;
 
 	/* sequence required to disable watchdog */
-	__raw_writel(0xAAAA, base + OMAP_WATCHDOG_SPR);	/* TIMER_MODE */
-	while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x10)
+	writel_relaxed(0xAAAA, base + OMAP_WATCHDOG_SPR);	/* TIMER_MODE */
+	while (readl_relaxed(base + OMAP_WATCHDOG_WPS) & 0x10)
 		cpu_relax();
 
-	__raw_writel(0x5555, base + OMAP_WATCHDOG_SPR);	/* TIMER_MODE */
-	while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x10)
+	writel_relaxed(0x5555, base + OMAP_WATCHDOG_SPR);	/* TIMER_MODE */
+	while (readl_relaxed(base + OMAP_WATCHDOG_WPS) & 0x10)
 		cpu_relax();
 }
 
@@ -115,11 +115,11 @@ static void omap_wdt_set_timer(struct omap_wdt_dev *wdev,
 	void __iomem *base = wdev->base;
 
 	/* just count up at 32 KHz */
-	while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04)
+	while (readl_relaxed(base + OMAP_WATCHDOG_WPS) & 0x04)
 		cpu_relax();
 
-	__raw_writel(pre_margin, base + OMAP_WATCHDOG_LDR);
-	while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x04)
+	writel_relaxed(pre_margin, base + OMAP_WATCHDOG_LDR);
+	while (readl_relaxed(base + OMAP_WATCHDOG_WPS) & 0x04)
 		cpu_relax();
 }
 
@@ -135,11 +135,11 @@ static int omap_wdt_start(struct watchdog_device *wdog)
 	pm_runtime_get_sync(wdev->dev);
 
 	/* initialize prescaler */
-	while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01)
+	while (readl_relaxed(base + OMAP_WATCHDOG_WPS) & 0x01)
 		cpu_relax();
 
-	__raw_writel((1 << 5) | (PTV << 2), base + OMAP_WATCHDOG_CNTRL);
-	while (__raw_readl(base + OMAP_WATCHDOG_WPS) & 0x01)
+	writel_relaxed((1 << 5) | (PTV << 2), base + OMAP_WATCHDOG_CNTRL);
+	while (readl_relaxed(base + OMAP_WATCHDOG_WPS) & 0x01)
 		cpu_relax();
 
 	omap_wdt_set_timer(wdev, wdog->timeout);
@@ -205,7 +205,7 @@ static const struct watchdog_ops omap_wdt_ops = {
 
 static int omap_wdt_probe(struct platform_device *pdev)
 {
-	struct omap_wd_timer_platform_data *pdata = pdev->dev.platform_data;
+	struct omap_wd_timer_platform_data *pdata = dev_get_platdata(&pdev->dev);
 	struct watchdog_device *omap_wdt;
 	struct resource *res, *mem;
 	struct omap_wdt_dev *wdev;
@@ -275,7 +275,7 @@ static int omap_wdt_probe(struct platform_device *pdev)
 	}
 
 	pr_info("OMAP Watchdog Timer Rev 0x%02x: initial timeout %d sec\n",
-		__raw_readl(wdev->base + OMAP_WATCHDOG_REV) & 0xFF,
+		readl_relaxed(wdev->base + OMAP_WATCHDOG_REV) & 0xFF,
 		omap_wdt->timeout);
 
 	pm_runtime_put_sync(wdev->dev);
diff --git a/drivers/watchdog/orion_wdt.c b/drivers/watchdog/orion_wdt.c
index da57798..44edca6 100644
--- a/drivers/watchdog/orion_wdt.c
+++ b/drivers/watchdog/orion_wdt.c
@@ -38,6 +38,9 @@
 #define WDT_IN_USE		0
 #define WDT_OK_TO_CLOSE		1
 
+#define WDT_RESET_OUT_EN	BIT(1)
+#define WDT_INT_REQ		BIT(3)
+
 static bool nowayout = WATCHDOG_NOWAYOUT;
 static int heartbeat = -1;		/* module parameter (seconds) */
 static unsigned int wdt_max_duration;	/* (seconds) */
@@ -67,9 +70,7 @@ static int orion_wdt_start(struct watchdog_device *wdt_dev)
 	writel(wdt_tclk * wdt_dev->timeout, wdt_reg + WDT_VAL);
 
 	/* Clear watchdog timer interrupt */
-	reg = readl(BRIDGE_CAUSE);
-	reg &= ~WDT_INT_REQ;
-	writel(reg, BRIDGE_CAUSE);
+	writel(~WDT_INT_REQ, BRIDGE_CAUSE);
 
 	/* Enable watchdog timer */
 	reg = readl(wdt_reg + TIMER_CTRL);
@@ -206,7 +207,7 @@ static struct platform_driver orion_wdt_driver = {
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "orion_wdt",
-		.of_match_table = of_match_ptr(orion_wdt_of_match_table),
+		.of_match_table = orion_wdt_of_match_table,
 	},
 };
 
@@ -224,4 +225,3 @@ MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
 
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:orion_wdt");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/pc87413_wdt.c b/drivers/watchdog/pc87413_wdt.c
index 5afb89b..5211d56 100644
--- a/drivers/watchdog/pc87413_wdt.c
+++ b/drivers/watchdog/pc87413_wdt.c
@@ -580,8 +580,6 @@ MODULE_AUTHOR("Sven Anders <anders@anduras.de>, "
 MODULE_DESCRIPTION("PC87413 WDT driver");
 MODULE_LICENSE("GPL");
 
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-
 module_param(io, int, 0);
 MODULE_PARM_DESC(io, MODNAME " I/O port (default: "
 					__MODULE_STRING(IO_DEFAULT) ").");
diff --git a/drivers/watchdog/pcwd.c b/drivers/watchdog/pcwd.c
index 33e49a7..e936f15 100644
--- a/drivers/watchdog/pcwd.c
+++ b/drivers/watchdog/pcwd.c
@@ -61,7 +61,7 @@
 #include <linux/delay.h>	/* For mdelay function */
 #include <linux/timer.h>	/* For timer related operations */
 #include <linux/jiffies.h>	/* For jiffies stuff */
-#include <linux/miscdevice.h>	/* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h>	/* For struct miscdevice */
 #include <linux/watchdog.h>	/* For the watchdog specific items */
 #include <linux/reboot.h>	/* For kernel_power_off() */
 #include <linux/init.h>		/* For __init/__exit/... */
@@ -1011,5 +1011,3 @@ MODULE_AUTHOR("Ken Hollis <kenji@bitgate.com>, "
 MODULE_DESCRIPTION("Berkshire ISA-PC Watchdog driver");
 MODULE_VERSION(WATCHDOG_VERSION);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS_MISCDEV(TEMP_MINOR);
diff --git a/drivers/watchdog/pcwd_pci.c b/drivers/watchdog/pcwd_pci.c
index 7890f84..b4864f2 100644
--- a/drivers/watchdog/pcwd_pci.c
+++ b/drivers/watchdog/pcwd_pci.c
@@ -40,7 +40,7 @@
 #include <linux/errno.h>	/* For the -ENODEV/... values */
 #include <linux/kernel.h>	/* For printk/panic/... */
 #include <linux/delay.h>	/* For mdelay function */
-#include <linux/miscdevice.h>	/* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h>	/* For struct miscdevice */
 #include <linux/watchdog.h>	/* For the watchdog specific items */
 #include <linux/notifier.h>	/* For notifier support */
 #include <linux/reboot.h>	/* For reboot_notifier stuff */
@@ -820,5 +820,3 @@ module_pci_driver(pcipcwd_driver);
 MODULE_AUTHOR("Wim Van Sebroeck <wim@iguana.be>");
 MODULE_DESCRIPTION("Berkshire PCI-PC Watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS_MISCDEV(TEMP_MINOR);
diff --git a/drivers/watchdog/pcwd_usb.c b/drivers/watchdog/pcwd_usb.c
index 7b14d18..b731b5d 100644
--- a/drivers/watchdog/pcwd_usb.c
+++ b/drivers/watchdog/pcwd_usb.c
@@ -32,7 +32,7 @@
 #include <linux/errno.h>	/* For the -ENODEV/... values */
 #include <linux/kernel.h>	/* For printk/panic/... */
 #include <linux/delay.h>	/* For mdelay function */
-#include <linux/miscdevice.h>	/* For MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h>	/* For struct miscdevice */
 #include <linux/watchdog.h>	/* For the watchdog specific items */
 #include <linux/notifier.h>	/* For notifier support */
 #include <linux/reboot.h>	/* For reboot_notifier stuff */
@@ -72,8 +72,6 @@ do {							\
 MODULE_AUTHOR(DRIVER_AUTHOR);
 MODULE_DESCRIPTION(DRIVER_DESC);
 MODULE_LICENSE(DRIVER_LICENSE);
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS_MISCDEV(TEMP_MINOR);
 
 /* Module Parameters */
 module_param(debug, int, 0);
@@ -235,13 +233,17 @@ static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd,
 		unsigned char cmd, unsigned char *msb, unsigned char *lsb)
 {
 	int got_response, count;
-	unsigned char buf[6];
+	unsigned char *buf;
 
 	/* We will not send any commands if the USB PCWD device does
 	 * not exist */
 	if ((!usb_pcwd) || (!usb_pcwd->exists))
 		return -1;
 
+	buf = kmalloc(6, GFP_KERNEL);
+	if (buf == NULL)
+		return 0;
+
 	/* The USB PC Watchdog uses a 6 byte report format.
 	 * The board currently uses only 3 of the six bytes of the report. */
 	buf[0] = cmd;			/* Byte 0 = CMD */
@@ -256,8 +258,8 @@ static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd,
 
 	if (usb_control_msg(usb_pcwd->udev, usb_sndctrlpipe(usb_pcwd->udev, 0),
 			HID_REQ_SET_REPORT, HID_DT_REPORT,
-			0x0200, usb_pcwd->interface_number, buf, sizeof(buf),
-			USB_COMMAND_TIMEOUT) != sizeof(buf)) {
+			0x0200, usb_pcwd->interface_number, buf, 6,
+			USB_COMMAND_TIMEOUT) != 6) {
 		dbg("usb_pcwd_send_command: error in usb_control_msg for "
 				"cmd 0x%x 0x%x 0x%x\n", cmd, *msb, *lsb);
 	}
@@ -277,6 +279,8 @@ static int usb_pcwd_send_command(struct usb_pcwd_private *usb_pcwd,
 		*lsb = usb_pcwd->cmd_data_lsb;
 	}
 
+	kfree(buf);
+
 	return got_response;
 }
 
diff --git a/drivers/watchdog/pika_wdt.c b/drivers/watchdog/pika_wdt.c
index 7d3d471..0cdfee2 100644
--- a/drivers/watchdog/pika_wdt.c
+++ b/drivers/watchdog/pika_wdt.c
@@ -22,6 +22,7 @@
 #include <linux/bitops.h>
 #include <linux/uaccess.h>
 #include <linux/io.h>
+#include <linux/of_address.h>
 #include <linux/of_platform.h>
 
 #define DRV_NAME "PIKA-WDT"
@@ -298,5 +299,3 @@ module_exit(pikawdt_exit);
 MODULE_AUTHOR("Sean MacLennan <smaclennan@pikatech.com>");
 MODULE_DESCRIPTION("PIKA FPGA based Watchdog Timer");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-
diff --git a/drivers/watchdog/pnx4008_wdt.c b/drivers/watchdog/pnx4008_wdt.c
index a3684a3..1bdcc31 100644
--- a/drivers/watchdog/pnx4008_wdt.c
+++ b/drivers/watchdog/pnx4008_wdt.c
@@ -159,13 +159,13 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
 	if (IS_ERR(wdt_base))
 		return PTR_ERR(wdt_base);
 
-	wdt_clk = clk_get(&pdev->dev, NULL);
+	wdt_clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(wdt_clk))
 		return PTR_ERR(wdt_clk);
 
 	ret = clk_enable(wdt_clk);
 	if (ret)
-		goto out;
+		return ret;
 
 	pnx4008_wdd.bootstatus = (readl(WDTIM_RES(wdt_base)) & WDOG_RESET) ?
 			WDIOF_CARDRESET : 0;
@@ -186,8 +186,6 @@ static int pnx4008_wdt_probe(struct platform_device *pdev)
 
 disable_clk:
 	clk_disable(wdt_clk);
-out:
-	clk_put(wdt_clk);
 	return ret;
 }
 
@@ -196,7 +194,6 @@ static int pnx4008_wdt_remove(struct platform_device *pdev)
 	watchdog_unregister_device(&pnx4008_wdd);
 
 	clk_disable(wdt_clk);
-	clk_put(wdt_clk);
 
 	return 0;
 }
@@ -236,5 +233,4 @@ MODULE_PARM_DESC(nowayout,
 		 "Set to 1 to keep watchdog running after device release");
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:pnx4008-watchdog");
diff --git a/drivers/watchdog/pnx833x_wdt.c b/drivers/watchdog/pnx833x_wdt.c
index 1b62a7d..882fdcb 100644
--- a/drivers/watchdog/pnx833x_wdt.c
+++ b/drivers/watchdog/pnx833x_wdt.c
@@ -278,4 +278,3 @@ module_exit(watchdog_exit);
 MODULE_AUTHOR("Daniel Laird/Andre McCurdy");
 MODULE_DESCRIPTION("Hardware Watchdog Device for PNX833x");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/rc32434_wdt.c b/drivers/watchdog/rc32434_wdt.c
index f78bc00..71e78ef 100644
--- a/drivers/watchdog/rc32434_wdt.c
+++ b/drivers/watchdog/rc32434_wdt.c
@@ -25,13 +25,13 @@
 #include <linux/errno.h>		/* For the -ENODEV/... values */
 #include <linux/kernel.h>		/* For printk/panic/... */
 #include <linux/fs.h>			/* For file operations */
-#include <linux/miscdevice.h>		/* For MODULE_ALIAS_MISCDEV
-							(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h>		/* For struct miscdevice */
 #include <linux/watchdog.h>		/* For the watchdog specific items */
 #include <linux/init.h>			/* For __init/__exit/... */
 #include <linux/platform_device.h>	/* For platform_driver framework */
 #include <linux/spinlock.h>		/* For spin_lock/spin_unlock/... */
 #include <linux/uaccess.h>		/* For copy_to_user/put_user/... */
+#include <linux/io.h>			/* For devm_ioremap_nocache */
 
 #include <asm/mach-rc32434/integ.h>	/* For the Watchdog registers */
 
@@ -271,7 +271,7 @@ static int rc32434_wdt_probe(struct platform_device *pdev)
 		return -ENODEV;
 	}
 
-	wdt_reg = ioremap_nocache(r->start, resource_size(r));
+	wdt_reg = devm_ioremap_nocache(&pdev->dev, r->start, resource_size(r));
 	if (!wdt_reg) {
 		pr_err("failed to remap I/O resources\n");
 		return -ENXIO;
@@ -293,23 +293,18 @@ static int rc32434_wdt_probe(struct platform_device *pdev)
 	ret = misc_register(&rc32434_wdt_miscdev);
 	if (ret < 0) {
 		pr_err("failed to register watchdog device\n");
-		goto unmap;
+		return ret;
 	}
 
 	pr_info("Watchdog Timer version " VERSION ", timer margin: %d sec\n",
 		timeout);
 
 	return 0;
-
-unmap:
-	iounmap(wdt_reg);
-	return ret;
 }
 
 static int rc32434_wdt_remove(struct platform_device *pdev)
 {
 	misc_deregister(&rc32434_wdt_miscdev);
-	iounmap(wdt_reg);
 	return 0;
 }
 
@@ -333,4 +328,3 @@ MODULE_AUTHOR("Ondrej Zajicek <santiago@crfreenet.org>,"
 		"Florian Fainelli <florian@openwrt.org>");
 MODULE_DESCRIPTION("Driver for the IDT RC32434 SoC watchdog");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/rdc321x_wdt.c b/drivers/watchdog/rdc321x_wdt.c
index b0f116c..082d062 100644
--- a/drivers/watchdog/rdc321x_wdt.c
+++ b/drivers/watchdog/rdc321x_wdt.c
@@ -231,7 +231,7 @@ static int rdc321x_wdt_probe(struct platform_device *pdev)
 	struct resource *r;
 	struct rdc321x_wdt_pdata *pdata;
 
-	pdata = pdev->dev.platform_data;
+	pdata = dev_get_platdata(&pdev->dev);
 	if (!pdata) {
 		dev_err(&pdev->dev, "no platform data supplied\n");
 		return -ENODEV;
@@ -298,4 +298,3 @@ module_platform_driver(rdc321x_wdt_driver);
 MODULE_AUTHOR("Florian Fainelli <florian@openwrt.org>");
 MODULE_DESCRIPTION("RDC321x watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
index 0040451..3dd8ed2 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -183,7 +183,7 @@ static int riowd_probe(struct platform_device *op)
 		goto out;
 
 	err = -ENOMEM;
-	p = kzalloc(sizeof(*p), GFP_KERNEL);
+	p = devm_kzalloc(&op->dev, sizeof(*p), GFP_KERNEL);
 	if (!p)
 		goto out;
 
@@ -192,7 +192,7 @@ static int riowd_probe(struct platform_device *op)
 	p->regs = of_ioremap(&op->resource[0], 0, 2, DRIVER_NAME);
 	if (!p->regs) {
 		pr_err("Cannot map registers\n");
-		goto out_free;
+		goto out;
 	}
 	/* Make miscdev useable right away */
 	riowd_device = p;
@@ -206,27 +206,23 @@ static int riowd_probe(struct platform_device *op)
 	pr_info("Hardware watchdog [%i minutes], regs at %p\n",
 		riowd_timeout, p->regs);
 
-	dev_set_drvdata(&op->dev, p);
+	platform_set_drvdata(op, p);
 	return 0;
 
 out_iounmap:
 	riowd_device = NULL;
 	of_iounmap(&op->resource[0], p->regs, 2);
 
-out_free:
-	kfree(p);
-
 out:
 	return err;
 }
 
 static int riowd_remove(struct platform_device *op)
 {
-	struct riowd *p = dev_get_drvdata(&op->dev);
+	struct riowd *p = platform_get_drvdata(op);
 
 	misc_deregister(&riowd_miscdev);
 	of_iounmap(&op->resource[0], p->regs, 2);
-	kfree(p);
 
 	return 0;
 }
diff --git a/drivers/watchdog/rt2880_wdt.c b/drivers/watchdog/rt2880_wdt.c
new file mode 100644
index 0000000..53d37fe
--- /dev/null
+++ b/drivers/watchdog/rt2880_wdt.c
@@ -0,0 +1,207 @@
+/*
+ * Ralink RT288x/RT3xxx/MT76xx built-in hardware watchdog timer
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
+ *
+ * This driver was based on: drivers/watchdog/softdog.c
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/clk.h>
+#include <linux/reset.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/watchdog.h>
+#include <linux/miscdevice.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_device.h>
+
+#include <asm/mach-ralink/ralink_regs.h>
+
+#define SYSC_RSTSTAT			0x38
+#define WDT_RST_CAUSE			BIT(1)
+
+#define RALINK_WDT_TIMEOUT		30
+#define RALINK_WDT_PRESCALE		65536
+
+#define TIMER_REG_TMR1LOAD		0x00
+#define TIMER_REG_TMR1CTL		0x08
+
+#define TMRSTAT_TMR1RST			BIT(5)
+
+#define TMR1CTL_ENABLE			BIT(7)
+#define TMR1CTL_MODE_SHIFT		4
+#define TMR1CTL_MODE_MASK		0x3
+#define TMR1CTL_MODE_FREE_RUNNING	0x0
+#define TMR1CTL_MODE_PERIODIC		0x1
+#define TMR1CTL_MODE_TIMEOUT		0x2
+#define TMR1CTL_MODE_WDT		0x3
+#define TMR1CTL_PRESCALE_MASK		0xf
+#define TMR1CTL_PRESCALE_65536		0xf
+
+static struct clk *rt288x_wdt_clk;
+static unsigned long rt288x_wdt_freq;
+static void __iomem *rt288x_wdt_base;
+
+static bool nowayout = WATCHDOG_NOWAYOUT;
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout,
+		"Watchdog cannot be stopped once started (default="
+		__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+static inline void rt_wdt_w32(unsigned reg, u32 val)
+{
+	iowrite32(val, rt288x_wdt_base + reg);
+}
+
+static inline u32 rt_wdt_r32(unsigned reg)
+{
+	return ioread32(rt288x_wdt_base + reg);
+}
+
+static int rt288x_wdt_ping(struct watchdog_device *w)
+{
+	rt_wdt_w32(TIMER_REG_TMR1LOAD, w->timeout * rt288x_wdt_freq);
+
+	return 0;
+}
+
+static int rt288x_wdt_start(struct watchdog_device *w)
+{
+	u32 t;
+
+	t = rt_wdt_r32(TIMER_REG_TMR1CTL);
+	t &= ~(TMR1CTL_MODE_MASK << TMR1CTL_MODE_SHIFT |
+		TMR1CTL_PRESCALE_MASK);
+	t |= (TMR1CTL_MODE_WDT << TMR1CTL_MODE_SHIFT |
+		TMR1CTL_PRESCALE_65536);
+	rt_wdt_w32(TIMER_REG_TMR1CTL, t);
+
+	rt288x_wdt_ping(w);
+
+	t = rt_wdt_r32(TIMER_REG_TMR1CTL);
+	t |= TMR1CTL_ENABLE;
+	rt_wdt_w32(TIMER_REG_TMR1CTL, t);
+
+	return 0;
+}
+
+static int rt288x_wdt_stop(struct watchdog_device *w)
+{
+	u32 t;
+
+	rt288x_wdt_ping(w);
+
+	t = rt_wdt_r32(TIMER_REG_TMR1CTL);
+	t &= ~TMR1CTL_ENABLE;
+	rt_wdt_w32(TIMER_REG_TMR1CTL, t);
+
+	return 0;
+}
+
+static int rt288x_wdt_set_timeout(struct watchdog_device *w, unsigned int t)
+{
+	w->timeout = t;
+	rt288x_wdt_ping(w);
+
+	return 0;
+}
+
+static int rt288x_wdt_bootcause(void)
+{
+	if (rt_sysc_r32(SYSC_RSTSTAT) & WDT_RST_CAUSE)
+		return WDIOF_CARDRESET;
+
+	return 0;
+}
+
+static struct watchdog_info rt288x_wdt_info = {
+	.identity = "Ralink Watchdog",
+	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
+};
+
+static struct watchdog_ops rt288x_wdt_ops = {
+	.owner = THIS_MODULE,
+	.start = rt288x_wdt_start,
+	.stop = rt288x_wdt_stop,
+	.ping = rt288x_wdt_ping,
+	.set_timeout = rt288x_wdt_set_timeout,
+};
+
+static struct watchdog_device rt288x_wdt_dev = {
+	.info = &rt288x_wdt_info,
+	.ops = &rt288x_wdt_ops,
+	.min_timeout = 1,
+};
+
+static int rt288x_wdt_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	int ret;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	rt288x_wdt_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(rt288x_wdt_base))
+		return PTR_ERR(rt288x_wdt_base);
+
+	rt288x_wdt_clk = devm_clk_get(&pdev->dev, NULL);
+	if (IS_ERR(rt288x_wdt_clk))
+		return PTR_ERR(rt288x_wdt_clk);
+
+	device_reset(&pdev->dev);
+
+	rt288x_wdt_freq = clk_get_rate(rt288x_wdt_clk) / RALINK_WDT_PRESCALE;
+
+	rt288x_wdt_dev.dev = &pdev->dev;
+	rt288x_wdt_dev.bootstatus = rt288x_wdt_bootcause();
+
+	rt288x_wdt_dev.max_timeout = (0xfffful / rt288x_wdt_freq);
+	rt288x_wdt_dev.timeout = rt288x_wdt_dev.max_timeout;
+
+	watchdog_set_nowayout(&rt288x_wdt_dev, nowayout);
+
+	ret = watchdog_register_device(&rt288x_wdt_dev);
+	if (!ret)
+		dev_info(&pdev->dev, "Initialized\n");
+
+	return 0;
+}
+
+static int rt288x_wdt_remove(struct platform_device *pdev)
+{
+	watchdog_unregister_device(&rt288x_wdt_dev);
+
+	return 0;
+}
+
+static void rt288x_wdt_shutdown(struct platform_device *pdev)
+{
+	rt288x_wdt_stop(&rt288x_wdt_dev);
+}
+
+static const struct of_device_id rt288x_wdt_match[] = {
+	{ .compatible = "ralink,rt2880-wdt" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, rt288x_wdt_match);
+
+static struct platform_driver rt288x_wdt_driver = {
+	.probe		= rt288x_wdt_probe,
+	.remove		= rt288x_wdt_remove,
+	.shutdown	= rt288x_wdt_shutdown,
+	.driver		= {
+		.name		= KBUILD_MODNAME,
+		.owner		= THIS_MODULE,
+		.of_match_table	= rt288x_wdt_match,
+	},
+};
+
+module_platform_driver(rt288x_wdt_driver);
+
+MODULE_DESCRIPTION("MediaTek/Ralink RT288x/RT3xxx hardware watchdog driver");
+MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c
index ee03135..7d8fd04 100644
--- a/drivers/watchdog/s3c2410_wdt.c
+++ b/drivers/watchdog/s3c2410_wdt.c
@@ -29,7 +29,6 @@
 #include <linux/moduleparam.h>
 #include <linux/types.h>
 #include <linux/timer.h>
-#include <linux/miscdevice.h> /* for MODULE_ALIAS_MISCDEV */
 #include <linux/watchdog.h>
 #include <linux/init.h>
 #include <linux/platform_device.h>
@@ -42,12 +41,21 @@
 #include <linux/err.h>
 #include <linux/of.h>
 
-#include <mach/map.h>
+#define S3C2410_WTCON		0x00
+#define S3C2410_WTDAT		0x04
+#define S3C2410_WTCNT		0x08
 
-#undef S3C_VA_WATCHDOG
-#define S3C_VA_WATCHDOG (0)
+#define S3C2410_WTCON_RSTEN	(1 << 0)
+#define S3C2410_WTCON_INTEN	(1 << 2)
+#define S3C2410_WTCON_ENABLE	(1 << 5)
 
-#include <plat/regs-watchdog.h>
+#define S3C2410_WTCON_DIV16	(0 << 3)
+#define S3C2410_WTCON_DIV32	(1 << 3)
+#define S3C2410_WTCON_DIV64	(2 << 3)
+#define S3C2410_WTCON_DIV128	(3 << 3)
+
+#define S3C2410_WTCON_PRESCALE(x)	((x) << 8)
+#define S3C2410_WTCON_PRESCALE_MASK	(0xff << 8)
 
 #define CONFIG_S3C2410_WATCHDOG_ATBOOT		(0)
 #define CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME	(15)
@@ -75,13 +83,17 @@ MODULE_PARM_DESC(soft_noboot, "Watchdog action, set to 1 to ignore reboots, "
 			"0 to reboot (default 0)");
 MODULE_PARM_DESC(debug, "Watchdog debug, set to >1 for debug (default 0)");
 
-static struct device    *wdt_dev;	/* platform device attached to */
-static struct resource	*wdt_mem;
-static struct resource	*wdt_irq;
-static struct clk	*wdt_clock;
-static void __iomem	*wdt_base;
-static unsigned int	 wdt_count;
-static DEFINE_SPINLOCK(wdt_lock);
+struct s3c2410_wdt {
+	struct device		*dev;
+	struct clk		*clock;
+	void __iomem		*reg_base;
+	unsigned int		count;
+	spinlock_t		lock;
+	unsigned long		wtcon_save;
+	unsigned long		wtdat_save;
+	struct watchdog_device	wdt_device;
+	struct notifier_block	freq_transition;
+};
 
 /* watchdog control routines */
 
@@ -93,29 +105,38 @@ do {							\
 
 /* functions */
 
+static inline struct s3c2410_wdt *freq_to_wdt(struct notifier_block *nb)
+{
+	return container_of(nb, struct s3c2410_wdt, freq_transition);
+}
+
 static int s3c2410wdt_keepalive(struct watchdog_device *wdd)
 {
-	spin_lock(&wdt_lock);
-	writel(wdt_count, wdt_base + S3C2410_WTCNT);
-	spin_unlock(&wdt_lock);
+	struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);
+
+	spin_lock(&wdt->lock);
+	writel(wdt->count, wdt->reg_base + S3C2410_WTCNT);
+	spin_unlock(&wdt->lock);
 
 	return 0;
 }
 
-static void __s3c2410wdt_stop(void)
+static void __s3c2410wdt_stop(struct s3c2410_wdt *wdt)
 {
 	unsigned long wtcon;
 
-	wtcon = readl(wdt_base + S3C2410_WTCON);
+	wtcon = readl(wdt->reg_base + S3C2410_WTCON);
 	wtcon &= ~(S3C2410_WTCON_ENABLE | S3C2410_WTCON_RSTEN);
-	writel(wtcon, wdt_base + S3C2410_WTCON);
+	writel(wtcon, wdt->reg_base + S3C2410_WTCON);
 }
 
 static int s3c2410wdt_stop(struct watchdog_device *wdd)
 {
-	spin_lock(&wdt_lock);
-	__s3c2410wdt_stop();
-	spin_unlock(&wdt_lock);
+	struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);
+
+	spin_lock(&wdt->lock);
+	__s3c2410wdt_stop(wdt);
+	spin_unlock(&wdt->lock);
 
 	return 0;
 }
@@ -123,12 +144,13 @@ static int s3c2410wdt_stop(struct watchdog_device *wdd)
 static int s3c2410wdt_start(struct watchdog_device *wdd)
 {
 	unsigned long wtcon;
+	struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);
 
-	spin_lock(&wdt_lock);
+	spin_lock(&wdt->lock);
 
-	__s3c2410wdt_stop();
+	__s3c2410wdt_stop(wdt);
 
-	wtcon = readl(wdt_base + S3C2410_WTCON);
+	wtcon = readl(wdt->reg_base + S3C2410_WTCON);
 	wtcon |= S3C2410_WTCON_ENABLE | S3C2410_WTCON_DIV128;
 
 	if (soft_noboot) {
@@ -139,25 +161,26 @@ static int s3c2410wdt_start(struct watchdog_device *wdd)
 		wtcon |= S3C2410_WTCON_RSTEN;
 	}
 
-	DBG("%s: wdt_count=0x%08x, wtcon=%08lx\n",
-	    __func__, wdt_count, wtcon);
+	DBG("%s: count=0x%08x, wtcon=%08lx\n",
+	    __func__, wdt->count, wtcon);
 
-	writel(wdt_count, wdt_base + S3C2410_WTDAT);
-	writel(wdt_count, wdt_base + S3C2410_WTCNT);
-	writel(wtcon, wdt_base + S3C2410_WTCON);
-	spin_unlock(&wdt_lock);
+	writel(wdt->count, wdt->reg_base + S3C2410_WTDAT);
+	writel(wdt->count, wdt->reg_base + S3C2410_WTCNT);
+	writel(wtcon, wdt->reg_base + S3C2410_WTCON);
+	spin_unlock(&wdt->lock);
 
 	return 0;
 }
 
-static inline int s3c2410wdt_is_running(void)
+static inline int s3c2410wdt_is_running(struct s3c2410_wdt *wdt)
 {
-	return readl(wdt_base + S3C2410_WTCON) & S3C2410_WTCON_ENABLE;
+	return readl(wdt->reg_base + S3C2410_WTCON) & S3C2410_WTCON_ENABLE;
 }
 
 static int s3c2410wdt_set_heartbeat(struct watchdog_device *wdd, unsigned timeout)
 {
-	unsigned long freq = clk_get_rate(wdt_clock);
+	struct s3c2410_wdt *wdt = watchdog_get_drvdata(wdd);
+	unsigned long freq = clk_get_rate(wdt->clock);
 	unsigned int count;
 	unsigned int divisor = 1;
 	unsigned long wtcon;
@@ -183,7 +206,7 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_device *wdd, unsigned timeou
 		}
 
 		if ((count / divisor) >= 0x10000) {
-			dev_err(wdt_dev, "timeout %d too big\n", timeout);
+			dev_err(wdt->dev, "timeout %d too big\n", timeout);
 			return -EINVAL;
 		}
 	}
@@ -192,15 +215,15 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_device *wdd, unsigned timeou
 	    __func__, timeout, divisor, count, count/divisor);
 
 	count /= divisor;
-	wdt_count = count;
+	wdt->count = count;
 
 	/* update the pre-scaler */
-	wtcon = readl(wdt_base + S3C2410_WTCON);
+	wtcon = readl(wdt->reg_base + S3C2410_WTCON);
 	wtcon &= ~S3C2410_WTCON_PRESCALE_MASK;
 	wtcon |= S3C2410_WTCON_PRESCALE(divisor-1);
 
-	writel(count, wdt_base + S3C2410_WTDAT);
-	writel(wtcon, wdt_base + S3C2410_WTCON);
+	writel(count, wdt->reg_base + S3C2410_WTDAT);
+	writel(wtcon, wdt->reg_base + S3C2410_WTCON);
 
 	wdd->timeout = (count * divisor) / freq;
 
@@ -233,21 +256,23 @@ static struct watchdog_device s3c2410_wdd = {
 
 static irqreturn_t s3c2410wdt_irq(int irqno, void *param)
 {
-	dev_info(wdt_dev, "watchdog timer expired (irq)\n");
+	struct s3c2410_wdt *wdt = platform_get_drvdata(param);
+
+	dev_info(wdt->dev, "watchdog timer expired (irq)\n");
 
-	s3c2410wdt_keepalive(&s3c2410_wdd);
+	s3c2410wdt_keepalive(&wdt->wdt_device);
 	return IRQ_HANDLED;
 }
 
-
 #ifdef CONFIG_CPU_FREQ
 
 static int s3c2410wdt_cpufreq_transition(struct notifier_block *nb,
 					  unsigned long val, void *data)
 {
 	int ret;
+	struct s3c2410_wdt *wdt = freq_to_wdt(nb);
 
-	if (!s3c2410wdt_is_running())
+	if (!s3c2410wdt_is_running(wdt))
 		goto done;
 
 	if (val == CPUFREQ_PRECHANGE) {
@@ -256,14 +281,15 @@ static int s3c2410wdt_cpufreq_transition(struct notifier_block *nb,
 		 * the watchdog is running.
 		 */
 
-		s3c2410wdt_keepalive(&s3c2410_wdd);
+		s3c2410wdt_keepalive(&wdt->wdt_device);
 	} else if (val == CPUFREQ_POSTCHANGE) {
-		s3c2410wdt_stop(&s3c2410_wdd);
+		s3c2410wdt_stop(&wdt->wdt_device);
 
-		ret = s3c2410wdt_set_heartbeat(&s3c2410_wdd, s3c2410_wdd.timeout);
+		ret = s3c2410wdt_set_heartbeat(&wdt->wdt_device,
+						wdt->wdt_device.timeout);
 
 		if (ret >= 0)
-			s3c2410wdt_start(&s3c2410_wdd);
+			s3c2410wdt_start(&wdt->wdt_device);
 		else
 			goto err;
 	}
@@ -272,34 +298,35 @@ done:
 	return 0;
 
  err:
-	dev_err(wdt_dev, "cannot set new value for timeout %d\n",
-				s3c2410_wdd.timeout);
+	dev_err(wdt->dev, "cannot set new value for timeout %d\n",
+				wdt->wdt_device.timeout);
 	return ret;
 }
 
-static struct notifier_block s3c2410wdt_cpufreq_transition_nb = {
-	.notifier_call	= s3c2410wdt_cpufreq_transition,
-};
-
-static inline int s3c2410wdt_cpufreq_register(void)
+static inline int s3c2410wdt_cpufreq_register(struct s3c2410_wdt *wdt)
 {
-	return cpufreq_register_notifier(&s3c2410wdt_cpufreq_transition_nb,
+	wdt->freq_transition.notifier_call = s3c2410wdt_cpufreq_transition;
+
+	return cpufreq_register_notifier(&wdt->freq_transition,
 					 CPUFREQ_TRANSITION_NOTIFIER);
 }
 
-static inline void s3c2410wdt_cpufreq_deregister(void)
+static inline void s3c2410wdt_cpufreq_deregister(struct s3c2410_wdt *wdt)
 {
-	cpufreq_unregister_notifier(&s3c2410wdt_cpufreq_transition_nb,
+	wdt->freq_transition.notifier_call = s3c2410wdt_cpufreq_transition;
+
+	cpufreq_unregister_notifier(&wdt->freq_transition,
 				    CPUFREQ_TRANSITION_NOTIFIER);
 }
 
 #else
-static inline int s3c2410wdt_cpufreq_register(void)
+
+static inline int s3c2410wdt_cpufreq_register(struct s3c2410_wdt *wdt)
 {
 	return 0;
 }
 
-static inline void s3c2410wdt_cpufreq_deregister(void)
+static inline void s3c2410wdt_cpufreq_deregister(struct s3c2410_wdt *wdt)
 {
 }
 #endif
@@ -307,6 +334,9 @@ static inline void s3c2410wdt_cpufreq_deregister(void)
 static int s3c2410wdt_probe(struct platform_device *pdev)
 {
 	struct device *dev;
+	struct s3c2410_wdt *wdt;
+	struct resource *wdt_mem;
+	struct resource *wdt_irq;
 	unsigned int wtcon;
 	int started = 0;
 	int ret;
@@ -314,13 +344,14 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 	DBG("%s: probe=%p\n", __func__, pdev);
 
 	dev = &pdev->dev;
-	wdt_dev = &pdev->dev;
 
-	wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (wdt_mem == NULL) {
-		dev_err(dev, "no memory resource specified\n");
-		return -ENOENT;
-	}
+	wdt = devm_kzalloc(dev, sizeof(*wdt), GFP_KERNEL);
+	if (!wdt)
+		return -ENOMEM;
+
+	wdt->dev = &pdev->dev;
+	spin_lock_init(&wdt->lock);
+	wdt->wdt_device = s3c2410_wdd;
 
 	wdt_irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
 	if (wdt_irq == NULL) {
@@ -330,35 +361,40 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 	}
 
 	/* get the memory region for the watchdog timer */
-	wdt_base = devm_ioremap_resource(dev, wdt_mem);
-	if (IS_ERR(wdt_base)) {
-		ret = PTR_ERR(wdt_base);
+	wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	wdt->reg_base = devm_ioremap_resource(dev, wdt_mem);
+	if (IS_ERR(wdt->reg_base)) {
+		ret = PTR_ERR(wdt->reg_base);
 		goto err;
 	}
 
-	DBG("probe: mapped wdt_base=%p\n", wdt_base);
+	DBG("probe: mapped reg_base=%p\n", wdt->reg_base);
 
-	wdt_clock = devm_clk_get(dev, "watchdog");
-	if (IS_ERR(wdt_clock)) {
+	wdt->clock = devm_clk_get(dev, "watchdog");
+	if (IS_ERR(wdt->clock)) {
 		dev_err(dev, "failed to find watchdog clock source\n");
-		ret = PTR_ERR(wdt_clock);
+		ret = PTR_ERR(wdt->clock);
 		goto err;
 	}
 
-	clk_prepare_enable(wdt_clock);
+	clk_prepare_enable(wdt->clock);
 
-	ret = s3c2410wdt_cpufreq_register();
+	ret = s3c2410wdt_cpufreq_register(wdt);
 	if (ret < 0) {
-		pr_err("failed to register cpufreq\n");
+		dev_err(dev, "failed to register cpufreq\n");
 		goto err_clk;
 	}
 
+	watchdog_set_drvdata(&wdt->wdt_device, wdt);
+
 	/* see if we can actually set the requested timer margin, and if
 	 * not, try the default value */
 
-	watchdog_init_timeout(&s3c2410_wdd, tmr_margin,  &pdev->dev);
-	if (s3c2410wdt_set_heartbeat(&s3c2410_wdd, s3c2410_wdd.timeout)) {
-		started = s3c2410wdt_set_heartbeat(&s3c2410_wdd,
+	watchdog_init_timeout(&wdt->wdt_device, tmr_margin, &pdev->dev);
+	ret = s3c2410wdt_set_heartbeat(&wdt->wdt_device,
+					wdt->wdt_device.timeout);
+	if (ret) {
+		started = s3c2410wdt_set_heartbeat(&wdt->wdt_device,
 					CONFIG_S3C2410_WATCHDOG_DEFAULT_TIME);
 
 		if (started == 0)
@@ -377,9 +413,9 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 		goto err_cpufreq;
 	}
 
-	watchdog_set_nowayout(&s3c2410_wdd, nowayout);
+	watchdog_set_nowayout(&wdt->wdt_device, nowayout);
 
-	ret = watchdog_register_device(&s3c2410_wdd);
+	ret = watchdog_register_device(&wdt->wdt_device);
 	if (ret) {
 		dev_err(dev, "cannot register watchdog (%d)\n", ret);
 		goto err_cpufreq;
@@ -387,18 +423,20 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 
 	if (tmr_atboot && started == 0) {
 		dev_info(dev, "starting watchdog timer\n");
-		s3c2410wdt_start(&s3c2410_wdd);
+		s3c2410wdt_start(&wdt->wdt_device);
 	} else if (!tmr_atboot) {
 		/* if we're not enabling the watchdog, then ensure it is
 		 * disabled if it has been left running from the bootloader
 		 * or other source */
 
-		s3c2410wdt_stop(&s3c2410_wdd);
+		s3c2410wdt_stop(&wdt->wdt_device);
 	}
 
+	platform_set_drvdata(pdev, wdt);
+
 	/* print out a statement of readiness */
 
-	wtcon = readl(wdt_base + S3C2410_WTCON);
+	wtcon = readl(wdt->reg_base + S3C2410_WTCON);
 
 	dev_info(dev, "watchdog %sactive, reset %sabled, irq %sabled\n",
 		 (wtcon & S3C2410_WTCON_ENABLE) ?  "" : "in",
@@ -408,72 +446,71 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
 	return 0;
 
  err_cpufreq:
-	s3c2410wdt_cpufreq_deregister();
+	s3c2410wdt_cpufreq_deregister(wdt);
 
  err_clk:
-	clk_disable_unprepare(wdt_clock);
-	wdt_clock = NULL;
+	clk_disable_unprepare(wdt->clock);
+	wdt->clock = NULL;
 
  err:
-	wdt_irq = NULL;
-	wdt_mem = NULL;
 	return ret;
 }
 
 static int s3c2410wdt_remove(struct platform_device *dev)
 {
-	watchdog_unregister_device(&s3c2410_wdd);
+	struct s3c2410_wdt *wdt = platform_get_drvdata(dev);
+
+	watchdog_unregister_device(&wdt->wdt_device);
 
-	s3c2410wdt_cpufreq_deregister();
+	s3c2410wdt_cpufreq_deregister(wdt);
 
-	clk_disable_unprepare(wdt_clock);
-	wdt_clock = NULL;
+	clk_disable_unprepare(wdt->clock);
+	wdt->clock = NULL;
 
-	wdt_irq = NULL;
-	wdt_mem = NULL;
 	return 0;
 }
 
 static void s3c2410wdt_shutdown(struct platform_device *dev)
 {
-	s3c2410wdt_stop(&s3c2410_wdd);
-}
+	struct s3c2410_wdt *wdt = platform_get_drvdata(dev);
 
-#ifdef CONFIG_PM
+	s3c2410wdt_stop(&wdt->wdt_device);
+}
 
-static unsigned long wtcon_save;
-static unsigned long wtdat_save;
+#ifdef CONFIG_PM_SLEEP
 
-static int s3c2410wdt_suspend(struct platform_device *dev, pm_message_t state)
+static int s3c2410wdt_suspend(struct device *dev)
 {
+	struct s3c2410_wdt *wdt = dev_get_drvdata(dev);
+
 	/* Save watchdog state, and turn it off. */
-	wtcon_save = readl(wdt_base + S3C2410_WTCON);
-	wtdat_save = readl(wdt_base + S3C2410_WTDAT);
+	wdt->wtcon_save = readl(wdt->reg_base + S3C2410_WTCON);
+	wdt->wtdat_save = readl(wdt->reg_base + S3C2410_WTDAT);
 
 	/* Note that WTCNT doesn't need to be saved. */
-	s3c2410wdt_stop(&s3c2410_wdd);
+	s3c2410wdt_stop(&wdt->wdt_device);
 
 	return 0;
 }
 
-static int s3c2410wdt_resume(struct platform_device *dev)
+static int s3c2410wdt_resume(struct device *dev)
 {
-	/* Restore watchdog state. */
+	struct s3c2410_wdt *wdt = dev_get_drvdata(dev);
 
-	writel(wtdat_save, wdt_base + S3C2410_WTDAT);
-	writel(wtdat_save, wdt_base + S3C2410_WTCNT); /* Reset count */
-	writel(wtcon_save, wdt_base + S3C2410_WTCON);
+	/* Restore watchdog state. */
+	writel(wdt->wtdat_save, wdt->reg_base + S3C2410_WTDAT);
+	writel(wdt->wtdat_save, wdt->reg_base + S3C2410_WTCNT);/* Reset count */
+	writel(wdt->wtcon_save, wdt->reg_base + S3C2410_WTCON);
 
-	pr_info("watchdog %sabled\n",
-		(wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis");
+	dev_info(dev, "watchdog %sabled\n",
+		(wdt->wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis");
 
 	return 0;
 }
+#endif
 
-#else
-#define s3c2410wdt_suspend NULL
-#define s3c2410wdt_resume  NULL
-#endif /* CONFIG_PM */
+static SIMPLE_DEV_PM_OPS(s3c2410wdt_pm_ops, s3c2410wdt_suspend,
+			s3c2410wdt_resume);
 
 #ifdef CONFIG_OF
 static const struct of_device_id s3c2410_wdt_match[] = {
@@ -487,11 +524,10 @@ static struct platform_driver s3c2410wdt_driver = {
 	.probe		= s3c2410wdt_probe,
 	.remove		= s3c2410wdt_remove,
 	.shutdown	= s3c2410wdt_shutdown,
-	.suspend	= s3c2410wdt_suspend,
-	.resume		= s3c2410wdt_resume,
 	.driver		= {
 		.owner	= THIS_MODULE,
 		.name	= "s3c2410-wdt",
+		.pm	= &s3c2410wdt_pm_ops,
 		.of_match_table	= of_match_ptr(s3c2410_wdt_match),
 	},
 };
@@ -502,5 +538,4 @@ MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>, "
 	      "Dimitry Andric <dimitry.andric@tomtom.com>");
 MODULE_DESCRIPTION("S3C2410 Watchdog Device Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:s3c2410-wdt");
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c
index ccd6b29..e1d39a1 100644
--- a/drivers/watchdog/sa1100_wdt.c
+++ b/drivers/watchdog/sa1100_wdt.c
@@ -193,4 +193,3 @@ module_param(margin, int, 0);
 MODULE_PARM_DESC(margin, "Watchdog margin in seconds (default 60s)");
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/sb_wdog.c b/drivers/watchdog/sb_wdog.c
index 25c7a3f..3abae50 100644
--- a/drivers/watchdog/sb_wdog.c
+++ b/drivers/watchdog/sb_wdog.c
@@ -208,7 +208,7 @@ static long sbwdog_ioctl(struct file *file, unsigned int cmd,
 		 * get the remaining count from the ... count register
 		 * which is 1*8 before the config register
 		 */
-		ret = put_user(__raw_readq(user_dog - 8) / 1000000, p);
+		ret = put_user((u32)__raw_readq(user_dog - 8) / 1000000, p);
 		break;
 	}
 	return ret;
@@ -341,7 +341,6 @@ MODULE_PARM_DESC(timeout,
       "Watchdog timeout in microseconds (max/default 8388607 or 8.3ish secs)");
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 /*
  * example code that can be put in a platform code area to utilize the
diff --git a/drivers/watchdog/sbc60xxwdt.c b/drivers/watchdog/sbc60xxwdt.c
index 63632ec..2eef58a 100644
--- a/drivers/watchdog/sbc60xxwdt.c
+++ b/drivers/watchdog/sbc60xxwdt.c
@@ -387,4 +387,3 @@ module_exit(sbc60xxwdt_unload);
 MODULE_AUTHOR("Jakob Oestergaard <jakob@unthought.net>");
 MODULE_DESCRIPTION("60xx Single Board Computer Watchdog Timer driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/sbc7240_wdt.c b/drivers/watchdog/sbc7240_wdt.c
index 719edc8..5f268ad 100644
--- a/drivers/watchdog/sbc7240_wdt.c
+++ b/drivers/watchdog/sbc7240_wdt.c
@@ -309,5 +309,3 @@ MODULE_AUTHOR("Gilles Gigan");
 MODULE_DESCRIPTION("Watchdog device driver for single board"
 		   " computers EPIC Nano 7240 from iEi");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-
diff --git a/drivers/watchdog/sbc8360.c b/drivers/watchdog/sbc8360.c
index d4781e0..da60560 100644
--- a/drivers/watchdog/sbc8360.c
+++ b/drivers/watchdog/sbc8360.c
@@ -404,6 +404,5 @@ MODULE_AUTHOR("Ian E. Morgan <imorgan@webcon.ca>");
 MODULE_DESCRIPTION("SBC8360 watchdog driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION("1.01");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 /* end of sbc8360.c */
diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c
index 0c3e9f6..a1c502e 100644
--- a/drivers/watchdog/sbc_epx_c3.c
+++ b/drivers/watchdog/sbc_epx_c3.c
@@ -220,4 +220,3 @@ MODULE_DESCRIPTION("Hardware Watchdog Device for Winsystems EPX-C3 SBC.  "
 	"so only use it if you are *sure* you are running on this specific "
 	"SBC system from Winsystems!  It writes to IO ports 0x1ee and 0x1ef!");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/sbc_fitpc2_wdt.c b/drivers/watchdog/sbc_fitpc2_wdt.c
index 90d5527..a517d8b 100644
--- a/drivers/watchdog/sbc_fitpc2_wdt.c
+++ b/drivers/watchdog/sbc_fitpc2_wdt.c
@@ -263,5 +263,3 @@ module_param(nowayout, bool, 0);
 MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started");
 
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-
diff --git a/drivers/watchdog/sc1200wdt.c b/drivers/watchdog/sc1200wdt.c
index 3fb83b0..3b9fff9 100644
--- a/drivers/watchdog/sc1200wdt.c
+++ b/drivers/watchdog/sc1200wdt.c
@@ -476,4 +476,3 @@ MODULE_AUTHOR("Zwane Mwaikambo <zwane@commfireservices.com>");
 MODULE_DESCRIPTION(
 	"Driver for National Semiconductor PC87307/PC97307 watchdog component");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/sc520_wdt.c b/drivers/watchdog/sc520_wdt.c
index 707e027..f353e18 100644
--- a/drivers/watchdog/sc520_wdt.c
+++ b/drivers/watchdog/sc520_wdt.c
@@ -433,4 +433,3 @@ MODULE_AUTHOR("Scott and Bill Jennings");
 MODULE_DESCRIPTION(
 	"Driver for watchdog timer in AMD \"Elan\" SC520 uProcessor");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/sch311x_wdt.c b/drivers/watchdog/sch311x_wdt.c
index af7b136..b96127e 100644
--- a/drivers/watchdog/sch311x_wdt.c
+++ b/drivers/watchdog/sch311x_wdt.c
@@ -26,8 +26,7 @@
 #include <linux/types.h>		/* For standard types (like size_t) */
 #include <linux/errno.h>		/* For the -ENODEV/... values */
 #include <linux/kernel.h>		/* For printk/... */
-#include <linux/miscdevice.h>		/* For MODULE_ALIAS_MISCDEV
-							(WATCHDOG_MINOR) */
+#include <linux/miscdevice.h>		/* For struct miscdevice */
 #include <linux/watchdog.h>		/* For the watchdog specific items */
 #include <linux/init.h>			/* For __init/__exit/... */
 #include <linux/fs.h>			/* For file operations */
@@ -545,5 +544,3 @@ module_exit(sch311x_wdt_exit);
 MODULE_AUTHOR("Wim Van Sebroeck <wim@iguana.be>");
 MODULE_DESCRIPTION("SMSC SCH311x WatchDog Timer Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-
diff --git a/drivers/watchdog/scx200_wdt.c b/drivers/watchdog/scx200_wdt.c
index 8ae7c28..836377c 100644
--- a/drivers/watchdog/scx200_wdt.c
+++ b/drivers/watchdog/scx200_wdt.c
@@ -37,7 +37,6 @@
 MODULE_AUTHOR("Christer Weinigel <wingel@nano-system.com>");
 MODULE_DESCRIPTION("NatSemi SCx200 Watchdog Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 static int margin = 60;		/* in seconds */
 module_param(margin, int, 0);
diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c
index 6185af2..f9b8e06 100644
--- a/drivers/watchdog/shwdt.c
+++ b/drivers/watchdog/shwdt.c
@@ -241,7 +241,7 @@ static int sh_wdt_probe(struct platform_device *pdev)
 
 	wdt->dev = &pdev->dev;
 
-	wdt->clk = clk_get(&pdev->dev, NULL);
+	wdt->clk = devm_clk_get(&pdev->dev, NULL);
 	if (IS_ERR(wdt->clk)) {
 		/*
 		 * Clock framework support is optional, continue on
@@ -251,10 +251,8 @@ static int sh_wdt_probe(struct platform_device *pdev)
 	}
 
 	wdt->base = devm_ioremap_resource(wdt->dev, res);
-	if (IS_ERR(wdt->base)) {
-		rc = PTR_ERR(wdt->base);
-		goto err;
-	}
+	if (IS_ERR(wdt->base))
+		return PTR_ERR(wdt->base);
 
 	watchdog_set_nowayout(&sh_wdt_dev, nowayout);
 	watchdog_set_drvdata(&sh_wdt_dev, wdt);
@@ -277,7 +275,7 @@ static int sh_wdt_probe(struct platform_device *pdev)
 	rc = watchdog_register_device(&sh_wdt_dev);
 	if (unlikely(rc)) {
 		dev_err(&pdev->dev, "Can't register watchdog (err=%d)\n", rc);
-		goto err;
+		return rc;
 	}
 
 	init_timer(&wdt->timer);
@@ -292,23 +290,15 @@ static int sh_wdt_probe(struct platform_device *pdev)
 	pm_runtime_enable(&pdev->dev);
 
 	return 0;
-
-err:
-	clk_put(wdt->clk);
-
-	return rc;
 }
 
 static int sh_wdt_remove(struct platform_device *pdev)
 {
 	struct sh_wdt *wdt = platform_get_drvdata(pdev);
 
-	platform_set_drvdata(pdev, NULL);
-
 	watchdog_unregister_device(&sh_wdt_dev);
 
 	pm_runtime_disable(&pdev->dev);
-	clk_put(wdt->clk);
 
 	return 0;
 }
@@ -353,7 +343,6 @@ MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>");
 MODULE_DESCRIPTION("SuperH watchdog driver");
 MODULE_LICENSE("GPL");
 MODULE_ALIAS("platform:" DRV_NAME);
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 module_param(clock_division_ratio, int, 0);
 MODULE_PARM_DESC(clock_division_ratio,
diff --git a/drivers/watchdog/sirfsoc_wdt.c b/drivers/watchdog/sirfsoc_wdt.c
new file mode 100644
index 0000000..ced3edc
--- /dev/null
+++ b/drivers/watchdog/sirfsoc_wdt.c
@@ -0,0 +1,226 @@
+/*
+ * Watchdog driver for CSR SiRFprimaII and SiRFatlasVI
+ *
+ * Copyright (c) 2013 Cambridge Silicon Radio Limited, a CSR plc group company.
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/watchdog.h>
+#include <linux/platform_device.h>
+#include <linux/moduleparam.h>
+#include <linux/of.h>
+#include <linux/io.h>
+#include <linux/uaccess.h>
+
+#define CLOCK_FREQ	1000000
+
+#define SIRFSOC_TIMER_COUNTER_LO	0x0000
+#define SIRFSOC_TIMER_MATCH_0		0x0008
+#define SIRFSOC_TIMER_INT_EN		0x0024
+#define SIRFSOC_TIMER_WATCHDOG_EN	0x0028
+#define SIRFSOC_TIMER_LATCH		0x0030
+#define SIRFSOC_TIMER_LATCHED_LO	0x0034
+
+#define SIRFSOC_TIMER_WDT_INDEX		5
+
+#define SIRFSOC_WDT_MIN_TIMEOUT		30		/* 30 secs */
+#define SIRFSOC_WDT_MAX_TIMEOUT		(10 * 60)	/* 10 mins */
+#define SIRFSOC_WDT_DEFAULT_TIMEOUT	30		/* 30 secs */
+
+static unsigned int timeout = SIRFSOC_WDT_DEFAULT_TIMEOUT;
+static bool nowayout = WATCHDOG_NOWAYOUT;
+
+module_param(timeout, uint, 0);
+module_param(nowayout, bool, 0);
+
+MODULE_PARM_DESC(timeout, "Default watchdog timeout (in seconds)");
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started (default="
+			__MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+static unsigned int sirfsoc_wdt_gettimeleft(struct watchdog_device *wdd)
+{
+	u32 counter, match;
+	void __iomem *wdt_base;
+	int time_left;
+
+	wdt_base = watchdog_get_drvdata(wdd);
+	counter = readl(wdt_base + SIRFSOC_TIMER_COUNTER_LO);
+	match = readl(wdt_base +
+		SIRFSOC_TIMER_MATCH_0 + (SIRFSOC_TIMER_WDT_INDEX << 2));
+
+	time_left = match - counter;
+
+	return time_left / CLOCK_FREQ;
+}
+
+static int sirfsoc_wdt_updatetimeout(struct watchdog_device *wdd)
+{
+	u32 counter, timeout_ticks;
+	void __iomem *wdt_base;
+
+	timeout_ticks = wdd->timeout * CLOCK_FREQ;
+	wdt_base = watchdog_get_drvdata(wdd);
+
+	/* Enable the latch before reading the LATCH_LO register */
+	writel(1, wdt_base + SIRFSOC_TIMER_LATCH);
+
+	/* Set the TO value */
+	counter = readl(wdt_base + SIRFSOC_TIMER_LATCHED_LO);
+
+	counter += timeout_ticks;
+
+	writel(counter, wdt_base +
+		SIRFSOC_TIMER_MATCH_0 + (SIRFSOC_TIMER_WDT_INDEX << 2));
+
+	return 0;
+}
+
+static int sirfsoc_wdt_enable(struct watchdog_device *wdd)
+{
+	void __iomem *wdt_base = watchdog_get_drvdata(wdd);
+	sirfsoc_wdt_updatetimeout(wdd);
+
+	/*
+	 * NOTE: If interrupt is not enabled
+	 * then WD-Reset doesn't get generated at all.
+	 */
+	writel(readl(wdt_base + SIRFSOC_TIMER_INT_EN)
+		| (1 << SIRFSOC_TIMER_WDT_INDEX),
+		wdt_base + SIRFSOC_TIMER_INT_EN);
+	writel(1, wdt_base + SIRFSOC_TIMER_WATCHDOG_EN);
+
+	return 0;
+}
+
+static int sirfsoc_wdt_disable(struct watchdog_device *wdd)
+{
+	void __iomem *wdt_base = watchdog_get_drvdata(wdd);
+
+	writel(0, wdt_base + SIRFSOC_TIMER_WATCHDOG_EN);
+	writel(readl(wdt_base + SIRFSOC_TIMER_INT_EN)
+		& (~(1 << SIRFSOC_TIMER_WDT_INDEX)),
+		wdt_base + SIRFSOC_TIMER_INT_EN);
+
+	return 0;
+}
+
+static int sirfsoc_wdt_settimeout(struct watchdog_device *wdd, unsigned int to)
+{
+	wdd->timeout = to;
+	sirfsoc_wdt_updatetimeout(wdd);
+
+	return 0;
+}
+
+#define OPTIONS (WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE)
+
+static const struct watchdog_info sirfsoc_wdt_ident = {
+	.options          =     OPTIONS,
+	.firmware_version =	0,
+	.identity         =	"SiRFSOC Watchdog",
+};
+
+static struct watchdog_ops sirfsoc_wdt_ops = {
+	.owner = THIS_MODULE,
+	.start = sirfsoc_wdt_enable,
+	.stop = sirfsoc_wdt_disable,
+	.get_timeleft = sirfsoc_wdt_gettimeleft,
+	.ping = sirfsoc_wdt_updatetimeout,
+	.set_timeout = sirfsoc_wdt_settimeout,
+};
+
+static struct watchdog_device sirfsoc_wdd = {
+	.info = &sirfsoc_wdt_ident,
+	.ops = &sirfsoc_wdt_ops,
+	.timeout = SIRFSOC_WDT_DEFAULT_TIMEOUT,
+	.min_timeout = SIRFSOC_WDT_MIN_TIMEOUT,
+	.max_timeout = SIRFSOC_WDT_MAX_TIMEOUT,
+};
+
+static int sirfsoc_wdt_probe(struct platform_device *pdev)
+{
+	struct resource *res;
+	int ret;
+	void __iomem *base;
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(base))
+		return PTR_ERR(base);
+
+	watchdog_set_drvdata(&sirfsoc_wdd, base);
+
+	watchdog_init_timeout(&sirfsoc_wdd, timeout, &pdev->dev);
+	watchdog_set_nowayout(&sirfsoc_wdd, nowayout);
+
+	ret = watchdog_register_device(&sirfsoc_wdd);
+	if (ret)
+		return ret;
+
+	platform_set_drvdata(pdev, &sirfsoc_wdd);
+
+	return 0;
+}
+
+static void sirfsoc_wdt_shutdown(struct platform_device *pdev)
+{
+	struct watchdog_device *wdd = platform_get_drvdata(pdev);
+
+	sirfsoc_wdt_disable(wdd);
+}
+
+static int sirfsoc_wdt_remove(struct platform_device *pdev)
+{
+	sirfsoc_wdt_shutdown(pdev);
+	return 0;
+}
+
+#ifdef	CONFIG_PM_SLEEP
+static int sirfsoc_wdt_suspend(struct device *dev)
+{
+	return 0;
+}
+
+static int sirfsoc_wdt_resume(struct device *dev)
+{
+	struct watchdog_device *wdd = dev_get_drvdata(dev);
+
+	/*
+	 * NOTE: Since timer controller registers settings are saved
+	 * and restored back by the timer-prima2.c, so we need not
+	 * update WD settings except refreshing timeout.
+	 */
+	sirfsoc_wdt_updatetimeout(wdd);
+
+	return 0;
+}
+#endif
+
+static SIMPLE_DEV_PM_OPS(sirfsoc_wdt_pm_ops,
+		sirfsoc_wdt_suspend, sirfsoc_wdt_resume);
+
+static const struct of_device_id sirfsoc_wdt_of_match[] = {
+	{ .compatible = "sirf,prima2-tick"},
+	{},
+};
+MODULE_DEVICE_TABLE(of, sirfsoc_wdt_of_match);
+
+static struct platform_driver sirfsoc_wdt_driver = {
+	.driver = {
+		.name = "sirfsoc-wdt",
+		.owner = THIS_MODULE,
+		.pm = &sirfsoc_wdt_pm_ops,
+		.of_match_table	= of_match_ptr(sirfsoc_wdt_of_match),
+	},
+	.probe = sirfsoc_wdt_probe,
+	.remove = sirfsoc_wdt_remove,
+	.shutdown = sirfsoc_wdt_shutdown,
+};
+module_platform_driver(sirfsoc_wdt_driver);
+
+MODULE_DESCRIPTION("SiRF SoC watchdog driver");
+MODULE_AUTHOR("Xianglong Du <Xianglong.Du@csr.com>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:sirfsoc-wdt");
diff --git a/drivers/watchdog/smsc37b787_wdt.c b/drivers/watchdog/smsc37b787_wdt.c
index 6d665f9..445ea1a 100644
--- a/drivers/watchdog/smsc37b787_wdt.c
+++ b/drivers/watchdog/smsc37b787_wdt.c
@@ -603,8 +603,6 @@ MODULE_DESCRIPTION("Driver for SMsC 37B787 watchdog component (Version "
 								VERSION ")");
 MODULE_LICENSE("GPL");
 
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-
 #ifdef SMSC_SUPPORT_MINUTES
 module_param(unit, int, 0);
 MODULE_PARM_DESC(unit,
diff --git a/drivers/watchdog/softdog.c b/drivers/watchdog/softdog.c
index fe83beb..ef2638f 100644
--- a/drivers/watchdog/softdog.c
+++ b/drivers/watchdog/softdog.c
@@ -152,7 +152,6 @@ static struct watchdog_ops softdog_ops = {
 	.owner = THIS_MODULE,
 	.start = softdog_ping,
 	.stop = softdog_stop,
-	.ping = softdog_ping,
 	.set_timeout = softdog_set_timeout,
 };
 
@@ -208,4 +207,3 @@ module_exit(watchdog_exit);
 MODULE_AUTHOR("Alan Cox");
 MODULE_DESCRIPTION("Software Watchdog Device Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/sp5100_tco.c b/drivers/watchdog/sp5100_tco.c
index 0e9d8c4..ce63a1b 100644
--- a/drivers/watchdog/sp5100_tco.c
+++ b/drivers/watchdog/sp5100_tco.c
@@ -580,4 +580,3 @@ module_exit(sp5100_tco_cleanup_module);
 MODULE_AUTHOR("Priyanka Gupta");
 MODULE_DESCRIPTION("TCO timer driver for SP5100/SB800 chipset");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
index 8872642..3f786ce 100644
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -231,7 +231,7 @@ sp805_wdt_probe(struct amba_device *adev, const struct amba_id *id)
 		goto err;
 	}
 
-	wdt->clk = clk_get(&adev->dev, NULL);
+	wdt->clk = devm_clk_get(&adev->dev, NULL);
 	if (IS_ERR(wdt->clk)) {
 		dev_warn(&adev->dev, "Clock not found\n");
 		ret = PTR_ERR(wdt->clk);
@@ -251,15 +251,13 @@ sp805_wdt_probe(struct amba_device *adev, const struct amba_id *id)
 	if (ret) {
 		dev_err(&adev->dev, "watchdog_register_device() failed: %d\n",
 				ret);
-		goto err_register;
+		goto err;
 	}
 	amba_set_drvdata(adev, wdt);
 
 	dev_info(&adev->dev, "registration successful\n");
 	return 0;
 
-err_register:
-	clk_put(wdt->clk);
 err:
 	dev_err(&adev->dev, "Probe Failed!!!\n");
 	return ret;
@@ -270,9 +268,7 @@ static int sp805_wdt_remove(struct amba_device *adev)
 	struct sp805_wdt *wdt = amba_get_drvdata(adev);
 
 	watchdog_unregister_device(&wdt->wdd);
-	amba_set_drvdata(adev, NULL);
 	watchdog_set_drvdata(&wdt->wdd, NULL);
-	clk_put(wdt->clk);
 
 	return 0;
 }
diff --git a/drivers/watchdog/stmp3xxx_rtc_wdt.c b/drivers/watchdog/stmp3xxx_rtc_wdt.c
index c97e98d..d667f6b 100644
--- a/drivers/watchdog/stmp3xxx_rtc_wdt.c
+++ b/drivers/watchdog/stmp3xxx_rtc_wdt.c
@@ -30,7 +30,7 @@ MODULE_PARM_DESC(heartbeat, "Watchdog heartbeat period in seconds from 1 to "
 static int wdt_start(struct watchdog_device *wdd)
 {
 	struct device *dev = watchdog_get_drvdata(wdd);
-	struct stmp3xxx_wdt_pdata *pdata = dev->platform_data;
+	struct stmp3xxx_wdt_pdata *pdata = dev_get_platdata(dev);
 
 	pdata->wdt_set_timeout(dev->parent, wdd->timeout * WDOG_TICK_RATE);
 	return 0;
@@ -39,7 +39,7 @@ static int wdt_start(struct watchdog_device *wdd)
 static int wdt_stop(struct watchdog_device *wdd)
 {
 	struct device *dev = watchdog_get_drvdata(wdd);
-	struct stmp3xxx_wdt_pdata *pdata = dev->platform_data;
+	struct stmp3xxx_wdt_pdata *pdata = dev_get_platdata(dev);
 
 	pdata->wdt_set_timeout(dev->parent, 0);
 	return 0;
@@ -108,4 +108,3 @@ module_platform_driver(stmp3xxx_wdt_driver);
 MODULE_DESCRIPTION("STMP3XXX RTC Watchdog Driver");
 MODULE_LICENSE("GPL v2");
 MODULE_AUTHOR("Wolfram Sang <w.sang@pengutronix.de>");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/sunxi_wdt.c b/drivers/watchdog/sunxi_wdt.c
new file mode 100644
index 0000000..76332d8
--- /dev/null
+++ b/drivers/watchdog/sunxi_wdt.c
@@ -0,0 +1,237 @@
+/*
+ *      sunxi Watchdog Driver
+ *
+ *      Copyright (c) 2013 Carlo Caione
+ *                    2012 Henrik Nordstrom
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ *
+ *      Based on xen_wdt.c
+ *      (c) Copyright 2010 Novell, Inc.
+ */
+
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/types.h>
+#include <linux/watchdog.h>
+
+#define WDT_MAX_TIMEOUT         16
+#define WDT_MIN_TIMEOUT         1
+#define WDT_MODE_TIMEOUT(n)     ((n) << 3)
+#define WDT_TIMEOUT_MASK        WDT_MODE_TIMEOUT(0x0F)
+
+#define WDT_CTRL                0x00
+#define WDT_CTRL_RELOAD         ((1 << 0) | (0x0a57 << 1))
+
+#define WDT_MODE                0x04
+#define WDT_MODE_EN             (1 << 0)
+#define WDT_MODE_RST_EN         (1 << 1)
+
+#define DRV_NAME		"sunxi-wdt"
+#define DRV_VERSION		"1.0"
+
+static bool nowayout = WATCHDOG_NOWAYOUT;
+static unsigned int timeout = WDT_MAX_TIMEOUT;
+
+struct sunxi_wdt_dev {
+	struct watchdog_device wdt_dev;
+	void __iomem *wdt_base;
+};
+
+/*
+ * wdt_timeout_map maps the watchdog timer interval value in seconds to
+ * the value of the register WDT_MODE bit 3:6
+ *
+ * [timeout seconds] = register value
+ *
+ */
+
+static const int wdt_timeout_map[] = {
+	[1] = 0b0001,  /* 1s  */
+	[2] = 0b0010,  /* 2s  */
+	[3] = 0b0011,  /* 3s  */
+	[4] = 0b0100,  /* 4s  */
+	[5] = 0b0101,  /* 5s  */
+	[6] = 0b0110,  /* 6s  */
+	[8] = 0b0111,  /* 8s  */
+	[10] = 0b1000, /* 10s */
+	[12] = 0b1001, /* 12s */
+	[14] = 0b1010, /* 14s */
+	[16] = 0b1011, /* 16s */
+};
+
+static int sunxi_wdt_ping(struct watchdog_device *wdt_dev)
+{
+	struct sunxi_wdt_dev *sunxi_wdt = watchdog_get_drvdata(wdt_dev);
+	void __iomem *wdt_base = sunxi_wdt->wdt_base;
+
+	iowrite32(WDT_CTRL_RELOAD, wdt_base + WDT_CTRL);
+
+	return 0;
+}
+
+static int sunxi_wdt_set_timeout(struct watchdog_device *wdt_dev,
+		unsigned int timeout)
+{
+	struct sunxi_wdt_dev *sunxi_wdt = watchdog_get_drvdata(wdt_dev);
+	void __iomem *wdt_base = sunxi_wdt->wdt_base;
+	u32 reg;
+
+	if (wdt_timeout_map[timeout] == 0)
+		timeout++;
+
+	sunxi_wdt->wdt_dev.timeout = timeout;
+
+	reg = ioread32(wdt_base + WDT_MODE);
+	reg &= ~WDT_TIMEOUT_MASK;
+	reg |= WDT_MODE_TIMEOUT(wdt_timeout_map[timeout]);
+	iowrite32(reg, wdt_base + WDT_MODE);
+
+	sunxi_wdt_ping(wdt_dev);
+
+	return 0;
+}
+
+static int sunxi_wdt_stop(struct watchdog_device *wdt_dev)
+{
+	struct sunxi_wdt_dev *sunxi_wdt = watchdog_get_drvdata(wdt_dev);
+	void __iomem *wdt_base = sunxi_wdt->wdt_base;
+
+	iowrite32(0, wdt_base + WDT_MODE);
+
+	return 0;
+}
+
+static int sunxi_wdt_start(struct watchdog_device *wdt_dev)
+{
+	u32 reg;
+	struct sunxi_wdt_dev *sunxi_wdt = watchdog_get_drvdata(wdt_dev);
+	void __iomem *wdt_base = sunxi_wdt->wdt_base;
+	int ret;
+
+	ret = sunxi_wdt_set_timeout(&sunxi_wdt->wdt_dev,
+			sunxi_wdt->wdt_dev.timeout);
+	if (ret < 0)
+		return ret;
+
+	reg = ioread32(wdt_base + WDT_MODE);
+	reg |= (WDT_MODE_RST_EN | WDT_MODE_EN);
+	iowrite32(reg, wdt_base + WDT_MODE);
+
+	return 0;
+}
+
+static const struct watchdog_info sunxi_wdt_info = {
+	.identity	= DRV_NAME,
+	.options	= WDIOF_SETTIMEOUT |
+			  WDIOF_KEEPALIVEPING |
+			  WDIOF_MAGICCLOSE,
+};
+
+static const struct watchdog_ops sunxi_wdt_ops = {
+	.owner		= THIS_MODULE,
+	.start		= sunxi_wdt_start,
+	.stop		= sunxi_wdt_stop,
+	.ping		= sunxi_wdt_ping,
+	.set_timeout	= sunxi_wdt_set_timeout,
+};
+
+static int sunxi_wdt_probe(struct platform_device *pdev)
+{
+	struct sunxi_wdt_dev *sunxi_wdt;
+	struct resource *res;
+	int err;
+
+	sunxi_wdt = devm_kzalloc(&pdev->dev, sizeof(*sunxi_wdt), GFP_KERNEL);
+	if (!sunxi_wdt)
+		return -EINVAL;
+
+	platform_set_drvdata(pdev, sunxi_wdt);
+
+	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	sunxi_wdt->wdt_base = devm_ioremap_resource(&pdev->dev, res);
+	if (IS_ERR(sunxi_wdt->wdt_base))
+		return PTR_ERR(sunxi_wdt->wdt_base);
+
+	sunxi_wdt->wdt_dev.info = &sunxi_wdt_info;
+	sunxi_wdt->wdt_dev.ops = &sunxi_wdt_ops;
+	sunxi_wdt->wdt_dev.timeout = WDT_MAX_TIMEOUT;
+	sunxi_wdt->wdt_dev.max_timeout = WDT_MAX_TIMEOUT;
+	sunxi_wdt->wdt_dev.min_timeout = WDT_MIN_TIMEOUT;
+	sunxi_wdt->wdt_dev.parent = &pdev->dev;
+
+	watchdog_init_timeout(&sunxi_wdt->wdt_dev, timeout, &pdev->dev);
+	watchdog_set_nowayout(&sunxi_wdt->wdt_dev, nowayout);
+
+	watchdog_set_drvdata(&sunxi_wdt->wdt_dev, sunxi_wdt);
+
+	sunxi_wdt_stop(&sunxi_wdt->wdt_dev);
+
+	err = watchdog_register_device(&sunxi_wdt->wdt_dev);
+	if (unlikely(err))
+		return err;
+
+	dev_info(&pdev->dev, "Watchdog enabled (timeout=%d sec, nowayout=%d)",
+			sunxi_wdt->wdt_dev.timeout, nowayout);
+
+	return 0;
+}
+
+static int sunxi_wdt_remove(struct platform_device *pdev)
+{
+	struct sunxi_wdt_dev *sunxi_wdt = platform_get_drvdata(pdev);
+
+	watchdog_unregister_device(&sunxi_wdt->wdt_dev);
+	watchdog_set_drvdata(&sunxi_wdt->wdt_dev, NULL);
+
+	return 0;
+}
+
+static void sunxi_wdt_shutdown(struct platform_device *pdev)
+{
+	struct sunxi_wdt_dev *sunxi_wdt = platform_get_drvdata(pdev);
+
+	sunxi_wdt_stop(&sunxi_wdt->wdt_dev);
+}
+
+static const struct of_device_id sunxi_wdt_dt_ids[] = {
+	{ .compatible = "allwinner,sun4i-wdt" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, sunxi_wdt_dt_ids);
+
+static struct platform_driver sunxi_wdt_driver = {
+	.probe		= sunxi_wdt_probe,
+	.remove		= sunxi_wdt_remove,
+	.shutdown	= sunxi_wdt_shutdown,
+	.driver		= {
+		.owner		= THIS_MODULE,
+		.name		= DRV_NAME,
+		.of_match_table	= sunxi_wdt_dt_ids,
+	},
+};
+
+module_platform_driver(sunxi_wdt_driver);
+
+module_param(timeout, uint, 0);
+MODULE_PARM_DESC(timeout, "Watchdog heartbeat in seconds");
+
+module_param(nowayout, bool, 0);
+MODULE_PARM_DESC(nowayout, "Watchdog cannot be stopped once started "
+		"(default=" __MODULE_STRING(WATCHDOG_NOWAYOUT) ")");
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Carlo Caione <carlo.caione@gmail.com>");
+MODULE_AUTHOR("Henrik Nordstrom <henrik@henriknordstrom.net>");
+MODULE_DESCRIPTION("sunxi WatchDog Timer Driver");
+MODULE_VERSION(DRV_VERSION);
diff --git a/drivers/watchdog/ts72xx_wdt.c b/drivers/watchdog/ts72xx_wdt.c
index b8a9245..09d4831 100644
--- a/drivers/watchdog/ts72xx_wdt.c
+++ b/drivers/watchdog/ts72xx_wdt.c
@@ -192,7 +192,7 @@ static int ts72xx_wdt_open(struct inode *inode, struct file *file)
 		dev_err(&wdt->pdev->dev,
 			"failed to convert timeout (%d) to register value\n",
 			timeout);
-		return -EINVAL;
+		return regval;
 	}
 
 	if (mutex_lock_interruptible(&wdt->lock))
@@ -305,12 +305,14 @@ static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd,
 
 	switch (cmd) {
 	case WDIOC_GETSUPPORT:
-		error = copy_to_user(argp, &winfo, sizeof(winfo));
+		if (copy_to_user(argp, &winfo, sizeof(winfo)))
+			error = -EFAULT;
 		break;
 
 	case WDIOC_GETSTATUS:
 	case WDIOC_GETBOOTSTATUS:
-		return put_user(0, p);
+		error = put_user(0, p);
+		break;
 
 	case WDIOC_KEEPALIVE:
 		ts72xx_wdt_kick(wdt);
@@ -319,10 +321,9 @@ static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd,
 	case WDIOC_SETOPTIONS: {
 		int options;
 
-		if (get_user(options, p)) {
-			error = -EFAULT;
+		error = get_user(options, p);
+		if (error)
 			break;
-		}
 
 		error = -EINVAL;
 
@@ -340,30 +341,26 @@ static long ts72xx_wdt_ioctl(struct file *file, unsigned int cmd,
 
 	case WDIOC_SETTIMEOUT: {
 		int new_timeout;
+		int regval;
 
-		if (get_user(new_timeout, p)) {
-			error = -EFAULT;
-		} else {
-			int regval;
-
-			regval = timeout_to_regval(new_timeout);
-			if (regval < 0) {
-				error = -EINVAL;
-			} else {
-				ts72xx_wdt_stop(wdt);
-				wdt->regval = regval;
-				ts72xx_wdt_start(wdt);
-			}
-		}
+		error = get_user(new_timeout, p);
 		if (error)
 			break;
 
+		regval = timeout_to_regval(new_timeout);
+		if (regval < 0) {
+			error = regval;
+			break;
+		}
+		ts72xx_wdt_stop(wdt);
+		wdt->regval = regval;
+		ts72xx_wdt_start(wdt);
+
 		/*FALLTHROUGH*/
 	}
 
 	case WDIOC_GETTIMEOUT:
-		if (put_user(regval_to_timeout(wdt->regval), p))
-			error = -EFAULT;
+		error = put_user(regval_to_timeout(wdt->regval), p);
 		break;
 
 	default:
@@ -396,53 +393,21 @@ static int ts72xx_wdt_probe(struct platform_device *pdev)
 	struct resource *r1, *r2;
 	int error = 0;
 
-	wdt = kzalloc(sizeof(struct ts72xx_wdt), GFP_KERNEL);
+	wdt = devm_kzalloc(&pdev->dev, sizeof(struct ts72xx_wdt), GFP_KERNEL);
 	if (!wdt) {
 		dev_err(&pdev->dev, "failed to allocate memory\n");
 		return -ENOMEM;
 	}
 
 	r1 = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (!r1) {
-		dev_err(&pdev->dev, "failed to get memory resource\n");
-		error = -ENODEV;
-		goto fail;
-	}
-
-	r1 = request_mem_region(r1->start, resource_size(r1), pdev->name);
-	if (!r1) {
-		dev_err(&pdev->dev, "cannot request memory region\n");
-		error = -EBUSY;
-		goto fail;
-	}
-
-	wdt->control_reg = ioremap(r1->start, resource_size(r1));
-	if (!wdt->control_reg) {
-		dev_err(&pdev->dev, "failed to map memory\n");
-		error = -ENODEV;
-		goto fail_free_control;
-	}
+	wdt->control_reg = devm_ioremap_resource(&pdev->dev, r1);
+	if (IS_ERR(wdt->control_reg))
+		return PTR_ERR(wdt->control_reg);
 
 	r2 = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	if (!r2) {
-		dev_err(&pdev->dev, "failed to get memory resource\n");
-		error = -ENODEV;
-		goto fail_unmap_control;
-	}
-
-	r2 = request_mem_region(r2->start, resource_size(r2), pdev->name);
-	if (!r2) {
-		dev_err(&pdev->dev, "cannot request memory region\n");
-		error = -EBUSY;
-		goto fail_unmap_control;
-	}
-
-	wdt->feed_reg = ioremap(r2->start, resource_size(r2));
-	if (!wdt->feed_reg) {
-		dev_err(&pdev->dev, "failed to map memory\n");
-		error = -ENODEV;
-		goto fail_free_feed;
-	}
+	wdt->feed_reg = devm_ioremap_resource(&pdev->dev, r2);
+	if (IS_ERR(wdt->feed_reg))
+		return PTR_ERR(wdt->feed_reg);
 
 	platform_set_drvdata(pdev, wdt);
 	ts72xx_wdt_pdev = pdev;
@@ -455,45 +420,20 @@ static int ts72xx_wdt_probe(struct platform_device *pdev)
 	error = misc_register(&ts72xx_wdt_miscdev);
 	if (error) {
 		dev_err(&pdev->dev, "failed to register miscdev\n");
-		goto fail_unmap_feed;
+		return error;
 	}
 
 	dev_info(&pdev->dev, "TS-72xx Watchdog driver\n");
 
 	return 0;
-
-fail_unmap_feed:
-	platform_set_drvdata(pdev, NULL);
-	iounmap(wdt->feed_reg);
-fail_free_feed:
-	release_mem_region(r2->start, resource_size(r2));
-fail_unmap_control:
-	iounmap(wdt->control_reg);
-fail_free_control:
-	release_mem_region(r1->start, resource_size(r1));
-fail:
-	kfree(wdt);
-	return error;
 }
 
 static int ts72xx_wdt_remove(struct platform_device *pdev)
 {
-	struct ts72xx_wdt *wdt = platform_get_drvdata(pdev);
-	struct resource *res;
 	int error;
 
 	error = misc_deregister(&ts72xx_wdt_miscdev);
-	platform_set_drvdata(pdev, NULL);
-
-	iounmap(wdt->feed_reg);
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	release_mem_region(res->start, resource_size(res));
-
-	iounmap(wdt->control_reg);
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(res->start, resource_size(res));
 
-	kfree(wdt);
 	return error;
 }
 
diff --git a/drivers/watchdog/twl4030_wdt.c b/drivers/watchdog/twl4030_wdt.c
index 0f03106..2d4535d 100644
--- a/drivers/watchdog/twl4030_wdt.c
+++ b/drivers/watchdog/twl4030_wdt.c
@@ -90,10 +90,8 @@ static int twl4030_wdt_probe(struct platform_device *pdev)
 	twl4030_wdt_stop(wdt);
 
 	ret = watchdog_register_device(wdt);
-	if (ret) {
-		platform_set_drvdata(pdev, NULL);
+	if (ret)
 		return ret;
-	}
 
 	return 0;
 }
@@ -103,7 +101,6 @@ static int twl4030_wdt_remove(struct platform_device *pdev)
 	struct watchdog_device *wdt = platform_get_drvdata(pdev);
 
 	watchdog_unregister_device(wdt);
-	platform_set_drvdata(pdev, NULL);
 
 	return 0;
 }
diff --git a/drivers/watchdog/txx9wdt.c b/drivers/watchdog/txx9wdt.c
index 88f23c5..0fd0e8a 100644
--- a/drivers/watchdog/txx9wdt.c
+++ b/drivers/watchdog/txx9wdt.c
@@ -176,5 +176,4 @@ module_platform_driver_probe(txx9wdt_driver, txx9wdt_probe);
 
 MODULE_DESCRIPTION("TXx9 Watchdog Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:txx9wdt");
diff --git a/drivers/watchdog/ux500_wdt.c b/drivers/watchdog/ux500_wdt.c
index a614d84..e029b57 100644
--- a/drivers/watchdog/ux500_wdt.c
+++ b/drivers/watchdog/ux500_wdt.c
@@ -88,7 +88,7 @@ static struct watchdog_device ux500_wdt = {
 static int ux500_wdt_probe(struct platform_device *pdev)
 {
 	int ret;
-	struct ux500_wdt_data *pdata = pdev->dev.platform_data;
+	struct ux500_wdt_data *pdata = dev_get_platdata(&pdev->dev);
 
 	if (pdata) {
 		if (pdata->timeout > 0)
@@ -167,5 +167,4 @@ module_platform_driver(ux500_wdt_driver);
 MODULE_AUTHOR("Jonas Aaberg <jonas.aberg@stericsson.com>");
 MODULE_DESCRIPTION("Ux500 Watchdog Driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 MODULE_ALIAS("platform:ux500_wdt");
diff --git a/drivers/watchdog/w83627hf_wdt.c b/drivers/watchdog/w83627hf_wdt.c
index 92f1326..e24b210 100644
--- a/drivers/watchdog/w83627hf_wdt.c
+++ b/drivers/watchdog/w83627hf_wdt.c
@@ -1,6 +1,9 @@
 /*
  *	w83627hf/thf WDT driver
  *
+ *	(c) Copyright 2013 Guenter Roeck
+ *		converted to watchdog infrastructure
+ *
  *	(c) Copyright 2007 Vlad Drukker <vlad@storewiz.com>
  *		added support for W83627THF.
  *
@@ -31,31 +34,22 @@
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/types.h>
-#include <linux/miscdevice.h>
 #include <linux/watchdog.h>
-#include <linux/fs.h>
 #include <linux/ioport.h>
 #include <linux/notifier.h>
 #include <linux/reboot.h>
 #include <linux/init.h>
-#include <linux/spinlock.h>
 #include <linux/io.h>
-#include <linux/uaccess.h>
-
 
 #define WATCHDOG_NAME "w83627hf/thf/hg/dhg WDT"
 #define WATCHDOG_TIMEOUT 60		/* 60 sec default timeout */
 
-static unsigned long wdt_is_open;
-static char expect_close;
-static DEFINE_SPINLOCK(io_lock);
-
 /* You must set this - there is no sane way to probe for this board. */
 static int wdt_io = 0x2E;
 module_param(wdt_io, int, 0);
 MODULE_PARM_DESC(wdt_io, "w83627hf/thf WDT io port (default 0x2E)");
 
-static int timeout = WATCHDOG_TIMEOUT;	/* in seconds */
+static int timeout;			/* in seconds */
 module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout,
 		"Watchdog timeout in seconds. 1 <= timeout <= 255, default="
@@ -76,236 +70,147 @@ MODULE_PARM_DESC(nowayout,
 							(same as EFER) */
 #define WDT_EFDR (WDT_EFIR+1) /* Extended Function Data Register */
 
-static void w83627hf_select_wd_register(void)
+#define W83627HF_LD_WDT		0x08
+
+static void superio_outb(int reg, int val)
 {
-	unsigned char c;
+	outb(reg, WDT_EFER);
+	outb(val, WDT_EFDR);
+}
+
+static inline int superio_inb(int reg)
+{
+	outb(reg, WDT_EFER);
+	return inb(WDT_EFDR);
+}
+
+static int superio_enter(void)
+{
+	if (!request_muxed_region(wdt_io, 2, WATCHDOG_NAME))
+		return -EBUSY;
+
 	outb_p(0x87, WDT_EFER); /* Enter extended function mode */
 	outb_p(0x87, WDT_EFER); /* Again according to manual */
 
-	outb(0x20, WDT_EFER);	/* check chip version	*/
-	c = inb(WDT_EFDR);
-	if (c == 0x82) {	/* W83627THF		*/
-		outb_p(0x2b, WDT_EFER); /* select GPIO3 */
-		c = ((inb_p(WDT_EFDR) & 0xf7) | 0x04); /* select WDT0 */
-		outb_p(0x2b, WDT_EFER);
-		outb_p(c, WDT_EFDR);	/* set GPIO3 to WDT0 */
-	} else if (c == 0x88 || c == 0xa0) {	/* W83627EHF / W83627DHG */
-		outb_p(0x2d, WDT_EFER); /* select GPIO5 */
-		c = inb_p(WDT_EFDR) & ~0x01; /* PIN77 -> WDT0# */
-		outb_p(0x2d, WDT_EFER);
-		outb_p(c, WDT_EFDR); /* set GPIO5 to WDT0 */
-	}
+	return 0;
+}
 
-	outb_p(0x07, WDT_EFER); /* point to logical device number reg */
-	outb_p(0x08, WDT_EFDR); /* select logical device 8 (GPIO2) */
-	outb_p(0x30, WDT_EFER); /* select CR30 */
-	outb_p(0x01, WDT_EFDR); /* set bit 0 to activate GPIO2 */
+static void superio_select(int ld)
+{
+	superio_outb(0x07, ld);
 }
 
-static void w83627hf_unselect_wd_register(void)
+static void superio_exit(void)
 {
 	outb_p(0xAA, WDT_EFER); /* Leave extended function mode */
+	release_region(wdt_io, 2);
 }
 
 /* tyan motherboards seem to set F5 to 0x4C ?
  * So explicitly init to appropriate value. */
 
-static void w83627hf_init(void)
+static int w83627hf_init(struct watchdog_device *wdog)
 {
+	int ret;
 	unsigned char t;
 
-	w83627hf_select_wd_register();
+	ret = superio_enter();
+	if (ret)
+		return ret;
+
+	superio_select(W83627HF_LD_WDT);
+	t = superio_inb(0x20);	/* check chip version	*/
+	if (t == 0x82) {	/* W83627THF		*/
+		t = (superio_inb(0x2b) & 0xf7);
+		superio_outb(0x2b, t | 0x04); /* set GPIO3 to WDT0 */
+	} else if (t == 0x88 || t == 0xa0) {	/* W83627EHF / W83627DHG */
+		t = superio_inb(0x2d);
+		superio_outb(0x2d, t & ~0x01);	/* set GPIO5 to WDT0 */
+	}
+
+	/* set CR30 bit 0 to activate GPIO2 */
+	t = superio_inb(0x30);
+	if (!(t & 0x01))
+		superio_outb(0x30, t | 0x01);
 
-	outb_p(0xF6, WDT_EFER); /* Select CRF6 */
-	t = inb_p(WDT_EFDR);      /* read CRF6 */
+	t = superio_inb(0xF6);
 	if (t != 0) {
 		pr_info("Watchdog already running. Resetting timeout to %d sec\n",
-			timeout);
-		outb_p(timeout, WDT_EFDR);    /* Write back to CRF6 */
+			wdog->timeout);
+		superio_outb(0xF6, wdog->timeout);
 	}
 
-	outb_p(0xF5, WDT_EFER); /* Select CRF5 */
-	t = inb_p(WDT_EFDR);      /* read CRF5 */
-	t &= ~0x0C;               /* set second mode & disable keyboard
-				    turning off watchdog */
-	t |= 0x02;		  /* enable the WDTO# output low pulse
-				    to the KBRST# pin (PIN60) */
-	outb_p(t, WDT_EFDR);    /* Write back to CRF5 */
-
-	outb_p(0xF7, WDT_EFER); /* Select CRF7 */
-	t = inb_p(WDT_EFDR);      /* read CRF7 */
-	t &= ~0xC0;               /* disable keyboard & mouse turning off
-				    watchdog */
-	outb_p(t, WDT_EFDR);    /* Write back to CRF7 */
-
-	w83627hf_unselect_wd_register();
-}
-
-static void wdt_set_time(int timeout)
-{
-	spin_lock(&io_lock);
-
-	w83627hf_select_wd_register();
+	/* set second mode & disable keyboard turning off watchdog */
+	t = superio_inb(0xF5) & ~0x0C;
+	/* enable the WDTO# output low pulse to the KBRST# pin */
+	t |= 0x02;
+	superio_outb(0xF5, t);
 
-	outb_p(0xF6, WDT_EFER);    /* Select CRF6 */
-	outb_p(timeout, WDT_EFDR); /* Write Timeout counter to CRF6 */
+	/* disable keyboard & mouse turning off watchdog */
+	t = superio_inb(0xF7) & ~0xC0;
+	superio_outb(0xF7, t);
 
-	w83627hf_unselect_wd_register();
+	superio_exit();
 
-	spin_unlock(&io_lock);
-}
-
-static int wdt_ping(void)
-{
-	wdt_set_time(timeout);
 	return 0;
 }
 
-static int wdt_disable(void)
+static int wdt_set_time(unsigned int timeout)
 {
-	wdt_set_time(0);
-	return 0;
-}
+	int ret;
+
+	ret = superio_enter();
+	if (ret)
+		return ret;
+
+	superio_select(W83627HF_LD_WDT);
+	superio_outb(0xF6, timeout);
+	superio_exit();
 
-static int wdt_set_heartbeat(int t)
-{
-	if (t < 1 || t > 255)
-		return -EINVAL;
-	timeout = t;
 	return 0;
 }
 
-static int wdt_get_time(void)
+static int wdt_start(struct watchdog_device *wdog)
 {
-	int timeleft;
-
-	spin_lock(&io_lock);
-
-	w83627hf_select_wd_register();
-
-	outb_p(0xF6, WDT_EFER);    /* Select CRF6 */
-	timeleft = inb_p(WDT_EFDR); /* Read Timeout counter to CRF6 */
-
-	w83627hf_unselect_wd_register();
-
-	spin_unlock(&io_lock);
-
-	return timeleft;
+	return wdt_set_time(wdog->timeout);
 }
 
-static ssize_t wdt_write(struct file *file, const char __user *buf,
-						size_t count, loff_t *ppos)
+static int wdt_stop(struct watchdog_device *wdog)
 {
-	if (count) {
-		if (!nowayout) {
-			size_t i;
-
-			expect_close = 0;
-
-			for (i = 0; i != count; i++) {
-				char c;
-				if (get_user(c, buf + i))
-					return -EFAULT;
-				if (c == 'V')
-					expect_close = 42;
-			}
-		}
-		wdt_ping();
-	}
-	return count;
+	return wdt_set_time(0);
 }
 
-static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+static int wdt_set_timeout(struct watchdog_device *wdog, unsigned int timeout)
 {
-	void __user *argp = (void __user *)arg;
-	int __user *p = argp;
-	int timeval;
-	static const struct watchdog_info ident = {
-		.options = WDIOF_KEEPALIVEPING | WDIOF_SETTIMEOUT |
-							WDIOF_MAGICCLOSE,
-		.firmware_version = 1,
-		.identity = "W83627HF WDT",
-	};
-
-	switch (cmd) {
-	case WDIOC_GETSUPPORT:
-		if (copy_to_user(argp, &ident, sizeof(ident)))
-			return -EFAULT;
-		break;
-	case WDIOC_GETSTATUS:
-	case WDIOC_GETBOOTSTATUS:
-		return put_user(0, p);
-	case WDIOC_SETOPTIONS:
-	{
-		int options, retval = -EINVAL;
-
-		if (get_user(options, p))
-			return -EFAULT;
-		if (options & WDIOS_DISABLECARD) {
-			wdt_disable();
-			retval = 0;
-		}
-		if (options & WDIOS_ENABLECARD) {
-			wdt_ping();
-			retval = 0;
-		}
-		return retval;
-	}
-	case WDIOC_KEEPALIVE:
-		wdt_ping();
-		break;
-	case WDIOC_SETTIMEOUT:
-		if (get_user(timeval, p))
-			return -EFAULT;
-		if (wdt_set_heartbeat(timeval))
-			return -EINVAL;
-		wdt_ping();
-		/* Fall */
-	case WDIOC_GETTIMEOUT:
-		return put_user(timeout, p);
-	case WDIOC_GETTIMELEFT:
-		timeval = wdt_get_time();
-		return put_user(timeval, p);
-	default:
-		return -ENOTTY;
-	}
+	wdog->timeout = timeout;
+
 	return 0;
 }
 
-static int wdt_open(struct inode *inode, struct file *file)
+static unsigned int wdt_get_time(struct watchdog_device *wdog)
 {
-	if (test_and_set_bit(0, &wdt_is_open))
-		return -EBUSY;
-	/*
-	 *	Activate
-	 */
+	unsigned int timeleft;
+	int ret;
 
-	wdt_ping();
-	return nonseekable_open(inode, file);
-}
+	ret = superio_enter();
+	if (ret)
+		return 0;
 
-static int wdt_close(struct inode *inode, struct file *file)
-{
-	if (expect_close == 42)
-		wdt_disable();
-	else {
-		pr_crit("Unexpected close, not stopping watchdog!\n");
-		wdt_ping();
-	}
-	expect_close = 0;
-	clear_bit(0, &wdt_is_open);
-	return 0;
+	superio_select(W83627HF_LD_WDT);
+	timeleft = superio_inb(0xF6);
+	superio_exit();
+
+	return timeleft;
 }
 
 /*
  *	Notifier for system down
  */
-
 static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
 	void *unused)
 {
 	if (code == SYS_DOWN || code == SYS_HALT)
-		wdt_disable();	/* Turn the WDT off */
+		wdt_set_time(0);	/* Turn the WDT off */
 
 	return NOTIFY_DONE;
 }
@@ -314,19 +219,25 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
  *	Kernel Interfaces
  */
 
-static const struct file_operations wdt_fops = {
-	.owner		= THIS_MODULE,
-	.llseek		= no_llseek,
-	.write		= wdt_write,
-	.unlocked_ioctl	= wdt_ioctl,
-	.open		= wdt_open,
-	.release	= wdt_close,
+static struct watchdog_info wdt_info = {
+	.options = WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING | WDIOF_MAGICCLOSE,
+	.identity = "W83627HF Watchdog",
 };
 
-static struct miscdevice wdt_miscdev = {
-	.minor = WATCHDOG_MINOR,
-	.name = "watchdog",
-	.fops = &wdt_fops,
+static struct watchdog_ops wdt_ops = {
+	.owner = THIS_MODULE,
+	.start = wdt_start,
+	.stop = wdt_stop,
+	.set_timeout = wdt_set_timeout,
+	.get_timeleft = wdt_get_time,
+};
+
+static struct watchdog_device wdt_dev = {
+	.info = &wdt_info,
+	.ops = &wdt_ops,
+	.timeout = WATCHDOG_TIMEOUT,
+	.min_timeout = 1,
+	.max_timeout = 255,
 };
 
 /*
@@ -344,50 +255,39 @@ static int __init wdt_init(void)
 
 	pr_info("WDT driver for the Winbond(TM) W83627HF/THF/HG/DHG Super I/O chip initialising\n");
 
-	if (wdt_set_heartbeat(timeout)) {
-		wdt_set_heartbeat(WATCHDOG_TIMEOUT);
-		pr_info("timeout value must be 1 <= timeout <= 255, using %d\n",
-			WATCHDOG_TIMEOUT);
-	}
+	watchdog_init_timeout(&wdt_dev, timeout, NULL);
+	watchdog_set_nowayout(&wdt_dev, nowayout);
 
-	if (!request_region(wdt_io, 1, WATCHDOG_NAME)) {
-		pr_err("I/O address 0x%04x already in use\n", wdt_io);
-		ret = -EIO;
-		goto out;
+	ret = w83627hf_init(&wdt_dev);
+	if (ret) {
+		pr_err("failed to initialize watchdog (err=%d)\n", ret);
+		return ret;
 	}
 
-	w83627hf_init();
-
 	ret = register_reboot_notifier(&wdt_notifier);
 	if (ret != 0) {
 		pr_err("cannot register reboot notifier (err=%d)\n", ret);
-		goto unreg_regions;
+		return ret;
 	}
 
-	ret = misc_register(&wdt_miscdev);
-	if (ret != 0) {
-		pr_err("cannot register miscdev on minor=%d (err=%d)\n",
-		       WATCHDOG_MINOR, ret);
+	ret = watchdog_register_device(&wdt_dev);
+	if (ret)
 		goto unreg_reboot;
-	}
 
 	pr_info("initialized. timeout=%d sec (nowayout=%d)\n",
-		timeout, nowayout);
+		wdt_dev.timeout, nowayout);
 
-out:
 	return ret;
+
 unreg_reboot:
 	unregister_reboot_notifier(&wdt_notifier);
-unreg_regions:
-	release_region(wdt_io, 1);
-	goto out;
+	return ret;
 }
 
 static void __exit wdt_exit(void)
 {
-	misc_deregister(&wdt_miscdev);
+	watchdog_unregister_device(&wdt_dev);
 	unregister_reboot_notifier(&wdt_notifier);
-	release_region(wdt_io, 1);
 }
 
 module_init(wdt_init);
@@ -396,4 +296,3 @@ module_exit(wdt_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Pádraig  Brady <P@draigBrady.com>");
 MODULE_DESCRIPTION("w83627hf/thf WDT driver");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/w83697hf_wdt.c b/drivers/watchdog/w83697hf_wdt.c
index cd9f3c1..aaf2995 100644
--- a/drivers/watchdog/w83697hf_wdt.c
+++ b/drivers/watchdog/w83697hf_wdt.c
@@ -458,4 +458,3 @@ MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Marcus Junker <junker@anduras.de>, "
 		"Samuel Tardieu <sam@rfc1149.net>");
 MODULE_DESCRIPTION("w83697hf/hg WDT driver");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/w83697ug_wdt.c b/drivers/watchdog/w83697ug_wdt.c
index 274be0b..ff58cb7 100644
--- a/drivers/watchdog/w83697ug_wdt.c
+++ b/drivers/watchdog/w83697ug_wdt.c
@@ -395,4 +395,3 @@ module_exit(wdt_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Flemming Frandsen <ff@nrvissing.net>");
 MODULE_DESCRIPTION("w83697ug/uf WDT driver");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/w83877f_wdt.c b/drivers/watchdog/w83877f_wdt.c
index 7874ae0..f0483c7 100644
--- a/drivers/watchdog/w83877f_wdt.c
+++ b/drivers/watchdog/w83877f_wdt.c
@@ -406,4 +406,3 @@ module_exit(w83877f_wdt_unload);
 MODULE_AUTHOR("Scott and Bill Jennings");
 MODULE_DESCRIPTION("Driver for watchdog timer in w83877f chip");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/w83977f_wdt.c b/drivers/watchdog/w83977f_wdt.c
index 5d2c902..91bf55a 100644
--- a/drivers/watchdog/w83977f_wdt.c
+++ b/drivers/watchdog/w83977f_wdt.c
@@ -527,4 +527,3 @@ module_exit(w83977f_wdt_exit);
 MODULE_AUTHOR("Jose Goncalves <jose.goncalves@inov.pt>");
 MODULE_DESCRIPTION("Driver for watchdog timer in W83977F I/O chip");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/wafer5823wdt.c b/drivers/watchdog/wafer5823wdt.c
index 25aba6e..db0da7e 100644
--- a/drivers/watchdog/wafer5823wdt.c
+++ b/drivers/watchdog/wafer5823wdt.c
@@ -322,6 +322,5 @@ module_exit(wafwdt_exit);
 MODULE_AUTHOR("Justin Cormack");
 MODULE_DESCRIPTION("ICP Wafer 5823 Single Board Computer WDT driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 /* end of wafer5823wdt.c */
diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c
index 05d18b4..461336c 100644
--- a/drivers/watchdog/watchdog_core.c
+++ b/drivers/watchdog/watchdog_core.c
@@ -77,7 +77,7 @@ int watchdog_init_timeout(struct watchdog_device *wdd,
 
 	watchdog_check_min_max_timeout(wdd);
 
-	/* try to get the tiemout module parameter first */
+	/* try to get the timeout module parameter first */
 	if (!watchdog_timeout_invalid(wdd, timeout_parm)) {
 		wdd->timeout = timeout_parm;
 		return ret;
diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
index faf4e18..6aaefba 100644
--- a/drivers/watchdog/watchdog_dev.c
+++ b/drivers/watchdog/watchdog_dev.c
@@ -469,8 +469,10 @@ static int watchdog_release(struct inode *inode, struct file *file)
 	 * or if WDIOF_MAGICCLOSE is not set. If nowayout was set then
 	 * watchdog_stop will fail.
 	 */
-	if (test_and_clear_bit(WDOG_ALLOW_RELEASE, &wdd->status) ||
-	    !(wdd->info->options & WDIOF_MAGICCLOSE))
+	if (!test_bit(WDOG_ACTIVE, &wdd->status))
+		err = 0;
+	else if (test_and_clear_bit(WDOG_ALLOW_RELEASE, &wdd->status) ||
+		 !(wdd->info->options & WDIOF_MAGICCLOSE))
 		err = watchdog_stop(wdd);
 
 	/* If the watchdog was not stopped, send a keepalive ping */
diff --git a/drivers/watchdog/wdrtas.c b/drivers/watchdog/wdrtas.c
index 0a77655..0240c60 100644
--- a/drivers/watchdog/wdrtas.c
+++ b/drivers/watchdog/wdrtas.c
@@ -48,8 +48,6 @@
 MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>");
 MODULE_DESCRIPTION("RTAS watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS_MISCDEV(TEMP_MINOR);
 
 static bool wdrtas_nowayout = WATCHDOG_NOWAYOUT;
 static atomic_t wdrtas_miscdev_open = ATOMIC_INIT(0);
@@ -162,31 +160,6 @@ static void wdrtas_timer_stop(void)
 }
 
 /**
- * wdrtas_log_scanned_event - logs an event we received during keepalive
- *
- * wdrtas_log_scanned_event prints a message to the log buffer dumping
- * the results of the last event-scan call
- */
-static void wdrtas_log_scanned_event(void)
-{
-	int i;
-
-	for (i = 0; i < WDRTAS_LOGBUFFER_LEN; i += 16)
-		pr_info("dumping event (line %i/%i), data = "
-			"%02x %02x %02x %02x  %02x %02x %02x %02x   "
-			"%02x %02x %02x %02x  %02x %02x %02x %02x\n",
-			(i / 16) + 1, (WDRTAS_LOGBUFFER_LEN / 16),
-			wdrtas_logbuffer[i + 0], wdrtas_logbuffer[i + 1],
-			wdrtas_logbuffer[i + 2], wdrtas_logbuffer[i + 3],
-			wdrtas_logbuffer[i + 4], wdrtas_logbuffer[i + 5],
-			wdrtas_logbuffer[i + 6], wdrtas_logbuffer[i + 7],
-			wdrtas_logbuffer[i + 8], wdrtas_logbuffer[i + 9],
-			wdrtas_logbuffer[i + 10], wdrtas_logbuffer[i + 11],
-			wdrtas_logbuffer[i + 12], wdrtas_logbuffer[i + 13],
-			wdrtas_logbuffer[i + 14], wdrtas_logbuffer[i + 15]);
-}
-
-/**
  * wdrtas_timer_keepalive - resets watchdog timer to keep system alive
  *
  * wdrtas_timer_keepalive restarts the watchdog timer by calling the
@@ -205,7 +178,9 @@ static void wdrtas_timer_keepalive(void)
 		if (result < 0)
 			pr_err("event-scan failed: %li\n", result);
 		if (result == 0)
-			wdrtas_log_scanned_event();
+			print_hex_dump(KERN_INFO, "dumping event, data: ",
+				DUMP_PREFIX_OFFSET, 16, 1,
+				wdrtas_logbuffer, WDRTAS_LOGBUFFER_LEN, false);
 	} while (result == 0);
 }
 
diff --git a/drivers/watchdog/wdt.c b/drivers/watchdog/wdt.c
index ee4333c..e0206b5 100644
--- a/drivers/watchdog/wdt.c
+++ b/drivers/watchdog/wdt.c
@@ -664,6 +664,4 @@ module_exit(wdt_exit);
 
 MODULE_AUTHOR("Alan Cox");
 MODULE_DESCRIPTION("Driver for ISA ICS watchdog cards (WDT500/501)");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS_MISCDEV(TEMP_MINOR);
 MODULE_LICENSE("GPL");
diff --git a/drivers/watchdog/wdt285.c b/drivers/watchdog/wdt285.c
index 5eec740..7355ddd0 100644
--- a/drivers/watchdog/wdt285.c
+++ b/drivers/watchdog/wdt285.c
@@ -224,7 +224,6 @@ static void __exit footbridge_watchdog_exit(void)
 MODULE_AUTHOR("Phil Blundell <pb@nexus.co.uk>");
 MODULE_DESCRIPTION("Footbridge watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 module_param(soft_margin, int, 0);
 MODULE_PARM_DESC(soft_margin, "Watchdog timeout in seconds");
diff --git a/drivers/watchdog/wdt977.c b/drivers/watchdog/wdt977.c
index 65a4023..a8e6f87 100644
--- a/drivers/watchdog/wdt977.c
+++ b/drivers/watchdog/wdt977.c
@@ -507,4 +507,3 @@ module_exit(wd977_exit);
 MODULE_AUTHOR("Woody Suwalski <woodys@xandros.com>");
 MODULE_DESCRIPTION("W83977AF Watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff --git a/drivers/watchdog/wdt_pci.c b/drivers/watchdog/wdt_pci.c
index 36a54c0..ee89ba4 100644
--- a/drivers/watchdog/wdt_pci.c
+++ b/drivers/watchdog/wdt_pci.c
@@ -744,5 +744,3 @@ module_pci_driver(wdtpci_driver);
 MODULE_AUTHOR("JP Nollmann, Alan Cox");
 MODULE_DESCRIPTION("Driver for the ICS PCI-WDT500/501 watchdog cards");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
-MODULE_ALIAS_MISCDEV(TEMP_MINOR);
diff --git a/drivers/watchdog/wm831x_wdt.c b/drivers/watchdog/wm831x_wdt.c
index 9dcb6d0..e243bd0 100644
--- a/drivers/watchdog/wm831x_wdt.c
+++ b/drivers/watchdog/wm831x_wdt.c
@@ -184,7 +184,7 @@ static const struct watchdog_ops wm831x_wdt_ops = {
 static int wm831x_wdt_probe(struct platform_device *pdev)
 {
 	struct wm831x *wm831x = dev_get_drvdata(pdev->dev.parent);
-	struct wm831x_pdata *chip_pdata;
+	struct wm831x_pdata *chip_pdata = dev_get_platdata(pdev->dev.parent);
 	struct wm831x_watchdog_pdata *pdata;
 	struct wm831x_wdt_drvdata *driver_data;
 	struct watchdog_device *wm831x_wdt;
@@ -231,12 +231,10 @@ static int wm831x_wdt_probe(struct platform_device *pdev)
 		wm831x_wdt->timeout = wm831x_wdt_cfgs[i].time;
 
 	/* Apply any configuration */
-	if (pdev->dev.parent->platform_data) {
-		chip_pdata = pdev->dev.parent->platform_data;
+	if (chip_pdata)
 		pdata = chip_pdata->watchdog;
-	} else {
+	else
 		pdata = NULL;
-	}
 
 	if (pdata) {
 		reg &= ~(WM831X_WDOG_SECACT_MASK | WM831X_WDOG_PRIMACT_MASK |
@@ -247,9 +245,10 @@ static int wm831x_wdt_probe(struct platform_device *pdev)
 		reg |= pdata->software << WM831X_WDOG_RST_SRC_SHIFT;
 
 		if (pdata->update_gpio) {
-			ret = gpio_request_one(pdata->update_gpio,
-					       GPIOF_DIR_OUT | GPIOF_INIT_LOW,
-					       "Watchdog update");
+			ret = devm_gpio_request_one(&pdev->dev,
+						pdata->update_gpio,
+						GPIOF_OUT_INIT_LOW,
+						"Watchdog update");
 			if (ret < 0) {
 				dev_err(wm831x->dev,
 					"Failed to request update GPIO: %d\n",
@@ -270,7 +269,7 @@ static int wm831x_wdt_probe(struct platform_device *pdev)
 		} else {
 			dev_err(wm831x->dev,
 				"Failed to unlock security key: %d\n", ret);
-			goto err_gpio;
+			goto err;
 		}
 	}
 
@@ -278,29 +277,23 @@ static int wm831x_wdt_probe(struct platform_device *pdev)
 	if (ret != 0) {
 		dev_err(wm831x->dev, "watchdog_register_device() failed: %d\n",
 			ret);
-		goto err_gpio;
+		goto err;
 	}
 
-	dev_set_drvdata(&pdev->dev, driver_data);
+	platform_set_drvdata(pdev, driver_data);
 
 	return 0;
 
-err_gpio:
-	if (driver_data->update_gpio)
-		gpio_free(driver_data->update_gpio);
 err:
 	return ret;
 }
 
 static int wm831x_wdt_remove(struct platform_device *pdev)
 {
-	struct wm831x_wdt_drvdata *driver_data = dev_get_drvdata(&pdev->dev);
+	struct wm831x_wdt_drvdata *driver_data = platform_get_drvdata(pdev);
 
 	watchdog_unregister_device(&driver_data->wdt);
 
-	if (driver_data->update_gpio)
-		gpio_free(driver_data->update_gpio);
-
 	return 0;
 }
 
diff --git a/drivers/watchdog/xen_wdt.c b/drivers/watchdog/xen_wdt.c
index 92ad33d..7a42dff 100644
--- a/drivers/watchdog/xen_wdt.c
+++ b/drivers/watchdog/xen_wdt.c
@@ -362,4 +362,3 @@ MODULE_AUTHOR("Jan Beulich <jbeulich@novell.com>");
 MODULE_DESCRIPTION("Xen WatchDog Timer Driver");
 MODULE_VERSION(DRV_VERSION);
 MODULE_LICENSE("GPL");
-MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
author	Scott Wood <scottwood@freescale.com>	2013-12-14 01:15:24 (GMT)
committer	Scott Wood <scottwood@freescale.com>	2013-12-14 01:15:24 (GMT)
commit	b7c81aa3ab2ac2c140e278b6d0e9a0b95112cf0b (patch)
tree	87828aaf5f82c7042bfc0307bc4ac499e10f93fb /drivers/watchdog
parent	22c782a4b14773fab7eab3c1db54ad7ad077e9b8 (diff)
parent	78fd82238d0e5716578c326404184a27ba67fd6e (diff)
download	linux-fsl-qoriq-b7c81aa3ab2ac2c140e278b6d0e9a0b95112cf0b.tar.xz